Cita APA

Cummings, N. A., & Cummings, J. L. (2000). The essence of psychoterapy: Reiventing the art in the new era of data. San Diego: Academic Press.

Citación estilo Chicago

Cummings, Nicholas A., y Janet L. Cummings. The Essence of Psychoterapy: Reiventing the Art in the New Era of Data. San Diego: Academic Press, 2000.

Cita MLA

Cummings, Nicholas A., y Janet L. Cummings. The Essence of Psychoterapy: Reiventing the Art in the New Era of Data. San Diego: Academic Press, 2000.