APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (8. Ausg.)

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