Παραπομπή σε μορφή APA (7η εκδ.)

American Psychological Association, Messer, S. B., & Wachtel, P. L. (1997). Theories of psychotherapy: Origins and evolution ; Edited by Paul L. Wachtel and Stanley B. Messer. American Psychological Association.

Παραπομπή σε μορφή Chicago (17η εκδ.)

American Psychological Association, Stanley B. Messer, και Paul L. Wachtel. Theories of Psychotherapy: Origins and Evolution ; Edited by Paul L. Wachtel and Stanley B. Messer. Washington: American Psychological Association, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

American Psychological Association, et al. Theories of Psychotherapy: Origins and Evolution ; Edited by Paul L. Wachtel and Stanley B. Messer. American Psychological Association, 1997.