Goldstein, A. P., & Kanfer, F. H. (1991). Helping people change: A textbook of methods (4th ed.). Pergamon Press.
Chicago Style (17th ed.) CitationGoldstein, Arnold P., and Frederick H. Kanfer. Helping People Change: A Textbook of Methods. 4th ed. New York: Pergamon Press, 1991.
MLA (9th ed.) CitationGoldstein, Arnold P., and Frederick H. Kanfer. Helping People Change: A Textbook of Methods. 4th ed. Pergamon Press, 1991.
Warning: These citations may not always be 100% accurate.