APA (7th ed.) Citation

YALOM, I. D. (1975). The theory and practice og group psychotherapy.-- Ed.2. Basic Books.

Chicago Style (17th ed.) Citation

YALOM, Irvin D. The Theory and Practice Og Group Psychotherapy.-- Ed.2. New York: Basic Books, 1975.

MLA (9th ed.) Citation

YALOM, Irvin D. The Theory and Practice Og Group Psychotherapy.-- Ed.2. Basic Books, 1975.