APA (7th ed.) Citation

Wolberg, L. R. (1975). Group therapy: An overview. Stratton intercontinental.

Chicago Style (17th ed.) Citation

Wolberg, Lewis R. Group Therapy: An Overview. New York: Stratton intercontinental, 1975.

MLA (8th ed.) Citation

Wolberg, Lewis R. Group Therapy: An Overview. Stratton intercontinental, 1975.