Cita APA

Singer, E. (1965). Key Concepts in Psychotherapy. New York: Random House.

Chicago Style Citation

Singer, Erwin. Key Concepts in Psychotherapy. New York: Random House, 1965.

Cita MLA

Singer, Erwin. Key Concepts in Psychotherapy. New York: Random House, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.