One author: (Smith, 2020)
Two authors: (Smith & Jones, 2020)
Three or more authors: (Smith et al., 2020)
Direct quote with one author: (Smith, 2020, p. 15)
Direct quote with two authors: (Smith & Jones, 2020, p. 15)
Direct quote with three or more authors: (Smith et al., 2020, p. 15)
Narrative citation with one author: Smith (2020)
Narrative citation with two authors: Smith and Jones (2020)
Narrative citation with three or more authors: Smith et al. (2020)
In the reference list, list authors by last name and initials: Smith, J. A.
For two authors in the reference list, use an ampersand before the last author: Smith, J. A., & Jones, R. B.
For three to twenty authors in the reference list, separate names with commas and use an ampersand before the last author
For twenty-one or more authors in the reference list, list the first 19 authors, insert an ellipsis, and add the final author
Alphabetize reference entries by the first author’s last name