APA (7th ed.) Citation

Hardy, R. E., & Cull, J. G. (1974). Group counseling and therapy techniques in special settings. American lecture series.

Chicago Style (17th ed.) Citation

Hardy, Richard E., and John G. Cull. "Group Counseling and Therapy Techniques in Special Settings." American Lecture Series 1974.

MLA (8th ed.) Citation

Hardy, Richard E., and John G. Cull. "Group Counseling and Therapy Techniques in Special Settings." American Lecture Series, 1974.