Cita APA

Duncan, B. L. (2010). The heart & soul of change: Delivering what works in therapy (Second edition.). Washington: American Psychological Association.

Citación estilo Chicago

Duncan, Barry L. The Heart & Soul of Change: Delivering What Works in Therapy. Second edition. Washington: American Psychological Association, 2010.

Cita MLA

Duncan, Barry L. The Heart & Soul of Change: Delivering What Works in Therapy. Second edition. Washington: American Psychological Association, 2010.