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APA Style is a writing style and format for academic documents such as scholarly journal articles and books. It is commonly used for citing sources within the field of behavioral and social sciences. It is described in the style guide of the American Psychological Association (APA), which is titled the Publication Manual of the American Psychological Association. The guidelines were developed to aid reading comprehension in the social and behavioral sciences, for clarity of communication, and for "word choice that best reduces bias in language". APA Style is widely used, either entirely or with modifications, by hundreds of other scientific journals (including medical and other public health journals), in many textbooks, and in academia (for papers written in classes).
The APA became involved in journal publishing in 1923. In 1929, an APA committee had a seven-page writer's guide published in the Psychological Bulletin. In 1944, a 32-page guide appeared as an article in the same journal. The first edition of the APA Publication Manual was published in 1952 as a 61-page supplement to the Psychological Bulletin, marking the beginning of a recognized "APA Style." The initial edition went through two revisions: one in 1957, and one in 1967. Subsequent editions were released in 1974, 1983, 1994, 2001, 2009, and 2019.
Primarily known for the simplicity of its reference citation style, the Manual also established standards for language use that had far-reaching effects. Particularly influential were the "Guidelines for Nonsexist Language in APA Journals," first published as a modification to the 1974 edition, which provided practical alternatives to "sexist" language then in common usage. The guidelines for reducing bias in language have been updated over the years and presently provide practical guidance for writing about age, disability, gender, participation in research, race and ethnicity, sexual orientation, socioeconomic status, and intersectionality (APA, 2020, Chapter 5). 
Seventh edition of the Publication Manual
The seventh edition of the Publication Manual of the American Psychological Association is the current one, published in October 2019. The goal of the book is to help people become better writers and communicators by promoting clarity, precision, and inclusivity.
The manual has new resources for students, including a student title page, student paper formats, and student-related reference formats such as classroom course pack material and classroom website sources. The book also includes new journal article reporting standards for qualitative and mixed methods research in addition to updated standards for quantitative research. The bias-free language guidelines have also been updated to reflect current best practices for talking about people's personal characteristics such as age, disability, gender, participation in research, sexual orientation, socioeconomic status, or race/ethnicity and also how to address intersectionality.
The manual addresses accessibility for people with disabilities for the first time. APA worked with accessibility experts to ensure APA Style is accessible. For example, the in-text citation format is shortened so that the citations are easier to read for people who, for example, use screen readers or have cognitive disabilities.
The manual has more than 100 new reference examples, including new formats for audiovisual media, social media, and webpages. There are more than 40 new sample tables and figures, including basic student-friendly examples such as bar graphs. There are also two new sample papers, one for professionals and one for students.
Table of contents
- List of Tables and Figures
- Editorial Staff and Contributors
- 1. Scholarly Writing and Publishing Principles
- 2. Paper Elements and Format
- 3. Journal Article Reporting Standards
- 4. Writing Style and Grammar
- 5. Bias-Free Language Guidelines
- 6. Mechanics of Style
- 7. Tables and Figures
- 8. Works Credited in the Text
- 9. Reference List
- 10. Reference Examples
- 11. Legal References
- 12. Publication Process
- Credits for Adapted Tables, Figures, and Papers
Sixth edition of the Publication Manual
The sixth edition of the Publication Manual of the American Psychological Association was in effect from 2009 to 2019, after four years of development. The Publication Manual Revision Task Force of the American Psychological Association established parameters for the revision based on published critique; user comments; commissioned reviews; and input from psychologists, nurses, librarians, business leaders, publishing professionals, and APA governance groups. To accomplish these revisions, the Task Force appointed working groups of four to nine members in seven areas: bias-free language, ethics, graphics, Journal Article Reporting Standards, references, statistics, and writing style (APA, 2009, pp. XVII–XVIII).
The APA explained the issuing of a new edition only eight years after the fifth edition by pointing to the increased use of online source or online access to academic journals (6th edition, p. XV). The sixth edition is accompanied by a style website, apastyle.org as well as the APA Style Blog, which answers many common questions from users.
Errors in the first printing of the 6th edition
Sample papers in the first printing of the sixth edition contained errors. APA staff posted all of the corrections online for free in a single document on October 1, 2009, and shortly thereafter alerted users to the existence of the corrections in an APA blog entry. These errors attracted significant attention from the scholarly community and nearly two weeks later, on October 13, 2009, the article "Correcting a Style Guide" was published in the online newspaper Inside Higher Ed that included interviews with several individuals, one of whom described the errors as "egregious". All copies of the printing with errors were soon after recalled in 2009 (including those from major retailers such as Amazon.com) and a new printing correcting all the errors, with a copyright date of 2010, was issued.
Characteristics of APA Style citation
APA Style uses an author–date reference citation system in the text with an accompanying reference list. That means that to cite any reference in a paper, the writer should cite the author and year of the work, either by putting both in parentheses separated by a comma (parenthetical citation) or by putting the author in the narrative of the sentence and the year in parentheses (narrative citation).
Example narrative citation: Schmidt and Oh (2016) described a fear among the public that the findings of science are not actually real.
Example parenthetical citation: In our postfactual era, many members of the public fear that the findings of science are not real (Schmidt & Oh, 2016).
In the APA reference list, the writer should provide the author, year, title, and source of the cited work in an alphabetical list of references. If a reference is not cited in the text, it should not be included in the reference list. The reference format varies depending on the document type (e.g., journal article, edited book chapter, blog post, webpage), but broadly speaking always follows the same pattern of author, date, title, source.
|Journal article with a DOI||Author, A., & Author, B. (year). Title of article. Journal Title, Volume(Issue), page range. DOI||Schmidt, F. L., & Oh, I.-S. (2016). The crisis of confidence in research findings in psychology: Is lack of replication the real problem? Or is it something else? Archives of Scientific Psychology, 4(1), 32–37. https://doi.org/10.1037/arc0000029|
|Whole book||Author, A., & Author, B. (year). Title of book. Publisher.||Brown, B. (2010). The gifts of imperfection: Let go of who you think you're supposed to be and embrace who you are. Hazelden.|
|Edited book chapter with a DOI||Author, A., & Author, B. (year). Title of chapter. In E. Editor & A. Editor (Eds.), Title of book (pp. xx-xx). Publisher. DOI||Singh, A. A., Hwahng, S. J., Chang, S. C., & White, B. (2017). Affirmative counseling with trans/gender-variant people of color. In A. Singh & L. M. Dickey (Eds.), Affirmative counseling and psychological practice with transgender and gender nonconforming clients (pp. 41–68). American Psychological Association. https://doi.org/10.1037/14957-003|
|Webpage on a website||Author, A., & Author, B. (year). Title of page. Site Name. URL
Group Author. (year). Title of page. URL
|American Psychological Association. (n.d.). APA divisions. https://www.apa.org/about/division/|
- If a DOI is assigned to the work, give the DOI. If the item is available online but does not have a DOI, and it has a URL that will work, give the URL. Do not give a URL that will not work.
- Always include the publisher in the source element for books and reference works; exceptions to this guideline include when the author and publisher are the same, and in this case, you omit the publisher from your reference.
- In the seventh edition, the title of a webpage is always italic.
- As of the seventh edition, the issue number of a journal is always listed in a reference citation if one is available. Prior to the seventh edition, if the journal cited employed continuous pagination throughout a volume, only the volume number was listed in the reference list.
- According to the seventh edition, it is no longer obligatory to provide the publisher's location when citing a book.
- The Publication Manual of the American Psychological Association (7th ed.). Washington, DC: American Psychological Association. 2020. ISBN 978-1-4338-3217-8.
- "APA Style". Washington, DC: American Psychological Association. Retrieved February 26, 2020.
- VandenBos, Gary R. (1992). "The APA Knowledge Dissemination Program: An overview of 100 years". In Rand B. Evans; Virginia Staudt Sexton; Thomas C. Cadwallader (eds.). The American Psychological Association: A Historical Perspective. Washington, DC: American Psychological Association. pp. 347–390. ISBN 978-1-55798-136-3.
- Bentley, M.; Peerenboom, C.A.; Hodge, F.W.; Passano, Edward B.; Warren, H.C.; Washburn, M.F (February 1929). "Instructions in regard to preparation of manuscript". Psychological Bulletin. 26 (2): 57–63. doi:10.1037/h0071487. ISSN 0033-2909.
- "APA Style Blog: The Origins of APA Style". blog.apastyle.org. Retrieved 2016-12-14.
- Anderson, J. E.; Valentine, W. L. (June 1944). "The preparation of articles for publication in the journals of the American Psychological Association". Psychological Bulletin. 41 (6): 345–376. doi:10.1037/h0063335. ISSN 0033-2909.
- "Publication Manual of the American Psychological Association". Psychological Bulletin. 49 (4): 388–448. 1952.
- APA Publications and Communications Board Working Group on Journal Article Reporting Standards (December 2008). "Reporting Standards for Research in Psychology: Why Do We Need Them? What Might They Be?" (PDF). American Psychologist. 63 (9): 839–851. doi:10.1037/0003-066x.63.9.839. PMC 2957094. PMID 19086746.
- APA Task Force on Issues of Sexual Bias in Graduate Education (June 1975). "Guidelines for nonsexist use of language". American Psychologist. Washington, DC: American Psychological Association. 32 (6): 487–494. doi:10.1037/h0076869. ISSN 0003-066X. OCLC 696450842.
- APA Publication Manual Task Force (June 1977). "Guidelines for nonsexist language in APA journals [Change Sheet 2]". American Psychologist. Washington, DC: American Psychological Association. 30 (6): 682–684. doi:10.1037/0003-066X.32.6.487. ISSN 0003-066X. OCLC 696450842.
- "About APA Style". apastyle.org. American Psychological Association. Retrieved February 27, 2020.
- "Product page for Publication Manual of the American Psychological Association, Seventh Edition (2020)". American Psychological Association. Retrieved February 27, 2020.
- Introduction to the Publication Manual of the American Psychological Association, Seventh Edition (PDF). Washington, DC: American Psychological Association. 2020. pp. xviii. Retrieved February 27, 2020.
- American Psychological Association (April 13–14, 2007). Meeting of the Council of Editors (Agenda book). Washington, D.C.: APA Archives.
- American Psychological Association (May 18–20, 2007). Meeting of the Publications and Communications Board (Agenda book). Washington, D.C.: APA Archives.
- APA Publications and Communications Board Working Group on Journal Article Reporting Standards (2008). "Reporting Standards for Research in Psychology: Why Do We Need Them? What Might They Be?" (PDF). American Psychologist. 63 (9): 839–851. doi:10.1037/0003-066x.63.9.839. PMC 2957094. PMID 19086746.
- Skutley, Mary Lynn (October 8, 2009). "Note to APA Style Community: Sixth Edition Corrections". APA blog.
- Epstein, Jennifer (October 13, 2009). Jaschik, Scott; Lederman, Doug (eds.). "Correcting a Style Guide". Inside Higher Ed. Washington, DC. Retrieved October 27, 2011.
- LC Catalog - Item Information (Full Record)
- Swidrak, Carolyn (27 August 2018). "APA - How to Cite Your Sources". Overview & Citation Guide Portal. Regis. Retrieved 6 October 2018.
APA format is complex and takes time to learn.
- Endnote X, Thomson, 2006,
The APA style is a very complex style.
- Publication Manual of the American Psychological Association (7th ed.). Washington, DC: American Psychological Association. 2020. ISBN 978-1-4338-3217-8. (spiral bound)
- Publication Manual of the American Psychological Association (6th ed.). Washington, DC: American Psychological Association. 2010. ISBN 978-1-4338-0562-2. (spiral bound)
- Publication Manual of the American Psychological Association (5th ed.). Washington, DC: American Psychological Association. 2001. ISBN 978-1-55798-791-4.
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