The international handbook of group psychotherapy

MLA

Friedemann, Adolf, and J. L Moreno. The International Handbook of Group Psychotherapy. New York: Philosophical Library, 1966.

APA

Friedemann, A., & Moreno, J. L. (1966). The international handbook of group psychotherapy. New York: Philosophical Library.

Chicago

Friedemann, Adolf, ed., and J. L Moreno ed. The International Handbook of Group Psychotherapy. New York: Philosophical Library, 1966.