Cita APA (7a ed.)

Bellak, L., & Small, L. (1965). Emergency psychotherapy and brief psychotherapy. Grune & Stratton.

Cita Chicago Style (17a ed.)

Bellak, Leopold, y Leonard Small. Emergency Psychotherapy and Brief Psychotherapy. New York [etc.]: Grune & Stratton, 1965.

Cita MLA (9a ed.)

Bellak, Leopold, y Leonard Small. Emergency Psychotherapy and Brief Psychotherapy. Grune & Stratton, 1965.