American Psychological Association, Beck, A. P., & Lewis, C. M. (2000). The process of group psychotherapy: Systems for analyzing change. American Psychological Association.
Chicago Style (17th ed.) CitationAmerican Psychological Association, Ariadne P. Beck, and Carol M. Lewis. The Process of Group Psychotherapy: Systems for Analyzing Change. Washington, DC: American Psychological Association, 2000.
MLA (8th ed.) CitationAmerican Psychological Association, et al. The Process of Group Psychotherapy: Systems for Analyzing Change. American Psychological Association, 2000.
Warning: These citations may not always be 100% accurate.