Cita APA (7th ed.)

Kottler, J. A. (1993). On being a therapist (Rev. ed.). Jossey-Bass Publishers.

Cita Chicago (17th ed.)

Kottler, Jeffrey A. On Being a Therapist. Rev. ed. San Francisco: Jossey-Bass Publishers, 1993.

Cita MLA (9th ed.)

Kottler, Jeffrey A. On Being a Therapist. Rev. ed. Jossey-Bass Publishers, 1993.