APA (American Psychological Association) is most commonly used to cite sources within the social sciences. APA style requires both in-text citations and a reference list. For every in-text citation there should be a full citation in the reference list. The examples of APA styles and formats listed here include many of the most common types of sources used in academic research.
The information here is set according to the standards of the Publication Manual of the American Psychological Association, 6th ed.
Please note: The first printing of the Publication Manual, 6th ed. contains several errors. The Writing Center's resources will be updated once the second printing becomes avialable.
Click here for more information and to view a list of reprint corrections at apa.org.