American Psychological Association, Norcross, J. C., VandenBos, G. R., & Freedheim, D. K. (2011). History of psychotherapy: Continuity and change (2nd ed.). American Psychological Association.
Chicago Style (17th ed.) CitationAmerican Psychological Association, John C. Norcross, Gary R. VandenBos, and Donald K. Freedheim. History of Psychotherapy: Continuity and Change. 2nd ed. Washington, D.C.: American Psychological Association, 2011.
MLA (9th ed.) CitationAmerican Psychological Association, et al. History of Psychotherapy: Continuity and Change. 2nd ed. American Psychological Association, 2011.
Warning: These citations may not always be 100% accurate.