Cita APA

Bellak, L., & Small, L. (1965). Emergency psychotherapy and brief psychotherapy. New York ;## London: Grune Stratton.

Citación estilo Chicago

Bellak, Leopold, y Leonard Small. Emergency Psychotherapy and Brief Psychotherapy. New York ;## London: Grune Stratton, 1965.

Cita MLA

Bellak, Leopold, y Leonard Small. Emergency Psychotherapy and Brief Psychotherapy. New York ;## London: Grune Stratton, 1965.