Cita APA (7a ed.)

Udolf, R. (1981). Handbook of hypnosis for professionals. Van Nostrand Reinhold.

Cita Chicago Style (17a ed.)

Udolf, Roy. Handbook of Hypnosis for Professionals. New York [u.a.]: Van Nostrand Reinhold, 1981.

Cita MLA (8a ed.)

Udolf, Roy. Handbook of Hypnosis for Professionals. Van Nostrand Reinhold, 1981.