Publication Manual of the American Psychological Association by APA Style
This is the citation style from the American Psychological Association (APA) for the social sciences, behavioral sciences, and many other sciences.
Features: In-text parenthetical citations of author(s) and date: (Smith, 1998). A page number also must be added for quotes taken from a specific page: (Smith, 1998, p. 123). Endnotes or footnotes may be used to add supplementary comments.