Book-one author:
A reference list entry with one author is formatted with the last name and author's initials:
Author, A. A. (Year of publication). Title of book. Publisher.
McCarthy, C. (1998). Cities of the plain. Alfred A. Knopf.
Journal article-two authors:
A reference list entry with two authors is formatted with first author's last name, initials., followed by ampersand second author's last name, initials:
Author, A. A., & Author, B. B. (Year of publication). Article title. Journal Title, Vol.#(Issue #), page #s. DOI **if available**
Alnajashi, H., & Jabbad, R. (2020). Behavioral practices of patients with Multiple Sclerosis during Covid-19 pandemic. PLoS ONE, 15(10), 1-11. https://doi.org/10.1371/journal.pone.0241103
Journal Article-three to twenty authors:
A reference list entry with three to twenty authors is formatted by last name, initials, and an ampersand before the last name of the final author:
Author, A. A., Author, B. B., Author, C. C., & Author, D. D. (Year of Publication). Article title. Journal Title, Vol.#(Issue #), page #s. DOI **if available**
Sanders, M. T., Welsh, J. A., Bierman, K. L., & Heinrichs, B. S. (2020). Promoting resilience: A preschool intervention enhances the adolescent adjustment of children exposed to early adversity. School Psychology, 35(5), 285–298. https://doi.org/10.1037/spq0000406
Publication Manual of the American Psychological Association: The Official Guide to APA Style
Publication Manual of the American Psychological Association, 7th edition
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The official APA style website also provides instructions for many of its citation style and grammar practices.
This website will help you understand plagiarism and how to prevent plagiarism in your writing. It includes videos and articles.