APA (7th ed.) Citation

Yalom, I. D. (1970). The theory and practice of group psychotherapy. Basic Books.

Chicago Style (17th ed.) Citation

Yalom, Irvin D. The Theory and Practice of Group Psychotherapy. New York: Basic Books, 1970.

MLA (9th ed.) Citation

Yalom, Irvin D. The Theory and Practice of Group Psychotherapy. Basic Books, 1970.