APA (7th ed.) Citation

Ettin, M. F.. (1992). Foundations and applications of group psychotherapy: A sphere of influence. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Ettin, Mark F. Foundations and Applications of Group Psychotherapy: A Sphere of Influence. Boston: Allyn and Bacon, 1992.

MLA (9th ed.) Citation

Ettin, Mark F. Foundations and Applications of Group Psychotherapy: A Sphere of Influence. Allyn and Bacon, 1992.

Warning: These citations may not always be 100% accurate.