Type of citation | Narrative format, First citation | Narrative format, Subsequent citations | Parenthetical format, First citation | Parenthetical format, Subsequent citations |
One work by one author | Johnson (2015) | Johnson (2015) | (Johnson, 2015) | (Johnson, 2015) |
One work by two authors | Johnson and Jones (2015) | Johnson and Jones (2015) | (Johnson & Jones, 2015) | (Johnson & Jones, 2015) |
One work by three authors | Johnson et al. (2015) | Johnson et al. (2015) | (Johnson et al., 2015) | (Johnson et al., 2015) |
Group as author (abbreviated) | American Nurses Association (ANA, 2015) | ANA (2015) | (American Nurses Association [ANA], 2015) |
(ANA, 2015) |
Group as author (no abbreviation) |
Post University (2015) | Post University (2015) | (Post University, 2015) | (Post University, 2015) |