Cita APA (7a ed.)
American Psychological Association. (1983). Professional psychology, research and practice. American Psychological Association.
Cita Chicago Style (17a ed.)
American Psychological Association. Professional Psychology, Research and Practice. Arlington, Va.: American Psychological Association, 1983.
Cita MLA (9a ed.)
American Psychological Association. Professional Psychology, Research and Practice. American Psychological Association, 1983.
Precaución: Estas citas no son 100% exactas.