Cita APA (7th ed.)

Colby, K. M. (1951). A primer for psychotherapists. Ronald Press.

Cita Chicago (17th ed.)

Colby, Kenneth Mark. A Primer for Psychotherapists. New York: Ronald Press, 1951.

Cita MLA (9th ed.)

Colby, Kenneth Mark. A Primer for Psychotherapists. Ronald Press, 1951.