Cita APA (7th ed.)

KOTTLER, J. A., & BLAU, D. S. (1989). The imperfect therapist. Jossey-Bass.

Cita Chicago (17th ed.)

KOTTLER, Jeffrey A., i Diane S. BLAU. The Imperfect Therapist. San Fransisco: Jossey-Bass, 1989.

Cita MLA (9th ed.)

KOTTLER, Jeffrey A., i Diane S. BLAU. The Imperfect Therapist. Jossey-Bass, 1989.