MLA

Kaplan, Harold Irwin, and Benjamin J Sadock. Comprehensive Group Psychotherapy. Baltimore (Md.): Williams and Wilkins, 1971.

APA

Kaplan, H. Irwin, & Sadock, B. J. (1971). Comprehensive group psychotherapy. Baltimore (Md.): Williams and Wilkins.

Chicago

Kaplan, Harold Irwin, ed., and Benjamin J. Sadock ed. Comprehensive Group Psychotherapy. Baltimore (Md.): Williams and Wilkins, 1971.