Παραπομπή σε μορφή APA (7η εκδ.)

American Psychological Association, Cain, D. J., & Seeman, J. (2001). Humanistic psychotherapies: Handbook of research and practice ; David J. Cain, Julius Seeman. American Psychological Association.

Παραπομπή σε μορφή Chicago (17η εκδ.)

American Psychological Association, David J. Cain, και Julius Seeman. Humanistic Psychotherapies: Handbook of Research and Practice ; David J. Cain, Julius Seeman. Washington: American Psychological Association, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

American Psychological Association, et al. Humanistic Psychotherapies: Handbook of Research and Practice ; David J. Cain, Julius Seeman. American Psychological Association, 2001.