Use the author’s last name and the year of publication in parentheses: (Smith, 2020)
For a direct quote, include the page number: (Smith, 2020, p. 15)
For a source with two authors, include both last names joined by an ampersand: (Smith & Jones, 2020)
For a source with three or more authors, use the first author’s last name followed by et al.: (Smith et al., 2020)
If the author’s name is part of the sentence, put only the year in parentheses: Smith (2020) found that…
For a group author, use the organization name: (American Psychological Association, 2020)
For no author, use a shortened title in quotation marks: (“Title of Article,” 2020)
For no date, use n.d.: (Smith, n.d.)
For multiple sources in one citation, separate them with semicolons: (Smith, 2020; Jones, 2019)
For the same author and same year, distinguish sources with letters: (Smith, 2020a) and (Smith, 2020b)