APA (7th ed.) Citation

Gazda, G. M. (1981). Innovations to group psychotherapy (2nd ed.). Thomas.

Chicago Style (17th ed.) Citation

Gazda, George Michael. Innovations to Group Psychotherapy. 2nd ed. Springfield, Ill.: Thomas, 1981.

MLA (9th ed.) Citation

Gazda, George Michael. Innovations to Group Psychotherapy. 2nd ed. Thomas, 1981.