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American Psychological Association (APA): General Guidelilnes for Author Listings

American Psychological Association (APA) is the style of documentation of sources used by the American Psychological Association which is utilized when writing research papers.

General Guidelines for Listing Authors

The formatting of author's names in the following items apply to all sources -- books, articles, websites, and so on.

Single Author

 

Yanagihara, H.(2015). A little life. Doubleday.

Key

Author: last name + initial(s). Year (book). Title (book). Publisher.

Two to Twenty Authors

List up to twenty authors by last names, followed by initials. Use an ampersand (&) before the name of the last author. 

Kim, E. H., Hollon, S. D., & Olatunji, B. O. (2016). Clinical errors in cognitive-behavior

therapy. Psychotherapy, 53(3), 325-330. https://doi.org/10.1037/pst0000074

Key

All authors: last name + initial(s). Year (journal). Title (article). Journal title, Volume (Issue), Pages. DOI

Twenty-one or More Authors

List the first nineteen authors followed by three ellipsis dots (...) and the last author's name.

Sharon, G., Cruz, N.J., Kang, D.-W., Gandel, M. J., Wang, B., Kim, Y.-M., Zink, E. M.,

Casey, C. P., Taylor, B. C., Lane, C. J., Bramer, L. M., Isern, N. G., Hoyt, D. W.,

Noecker, C., Sweredoski, M. J., Moradian, A., Borenstein, E., Jansson, J. K., Knight,

R., ... Mazzmanian, S. K. (2019). Human gut microbiota from autism spectrum

disorder promote behavioral symptoms in mice. Cell, 177(6), 1600-1618.

https://doi.org/10.1016/j.cell.2019.

Organization or Company as Author

 

American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.).

Key

Author: organization name. Year. Title (book). Edition.

Unknown Author

Begin the entry with the work's title.

Pushed out. (2019, August 24). The Economist, 432(9157), 19-20.

Key

Title (Article). Year + month + day (weekly publication). Magazine title, Volume(Issue), Page(s).

Author Using a Screen Name, Pen Name, or Stage Name

Use the author's real name, if known, and give the pseudonym or screen name in brackets exactly as it appears in the source. If only the screen name is known, begin with that name and do not put it in brackets. (See also the entries for Blog Post and Social Media Post on citing screen names in social media.)

dr.zachary.smith. (2019, October 3). What problem are they trying to solve?

[Comment on the article "Georgia is purging voter rolls again"]. Slate.

https://fyre.it/sjSPFyza.4

Key

Screen name. Year + month + day (daily publication). Text of comment. Label. Title of publication. URL

Two or More Works by the Same Author

Use the author's name for all entries, List the entries by year , the earliest first.

Abdurraqib, H. (2017). They can't kill us until they kill us. Two Dollar Radio.

Abdurraqib, H. (2019). Go ahead in the rain: Note to A Tribe Called Quest. University of

Texas Press.

Two or More Works by the Same Author in the Same Year

List the works alphabetically by title. In the parentheses, following the year add "a," "b," and so on. Use these same letters when giving the year in the in-text citation. Use these same letters when giving the year in the in-text citation.

Conover, E. (2019a, June 8). Gold's origins tied to collapsars. Science News, 195(10), 10.

https://bit.ly/31JTgKD

Conover, E. (2019b, June 22). Space flames may hold secrets to soot-free fire. Science

News, 195(11), 5. https://bit.ly/2p0Xj89

 

Editor

Begin with the name of the editor or editors; place the abbreviation "Ed." (or "Eds." for more than one editor) in parentheses following the name. (See the entry for a work with both Author and an Editor.)

Yeh, K.-H. (Ed.). (2019). Asian indigenous psychologies in the global context. Palgrave

Macmillan.

Author and Editor

Begin with the name of the author, followed by the name of the editor and the abbreviation "Ed." in parentheses. For a book  with an author and two or more editors, use the abbreviation "Ed." after each editor's name.

Sontag, S. (2018). Debriefing: Collected stories. (B. Taylor, Ed.). Picador.

Translator

Begin with the name of the author. After the title, in parentheses place the name of the translator (in normal order) and the abbreviation "Trans." (for "Translator"). Add the original date of publication at the end of the entry.

Calasso, R. (2019). The unnamable present (R. Dixon, Trans.). Farrar, Straus and Giroux.

(Original work published in 2017)

Work Cited

Hacker, Diana. A Writer's Reference. Tenth edition. Boston ; New York: Bedford/St. Martin's, 2021. Print.