Cita APA (7a ed.)

Curtis, R. C., & Stricker, G. (1991). How people change: Inside and outside therapy. Plenum Pr.

Cita Chicago Style (17a ed.)

Curtis, Rebecca C., y George Stricker. How People Change: Inside and Outside Therapy. New York, NY [u.a.]: Plenum Pr, 1991.

Cita MLA (9a ed.)

Curtis, Rebecca C., y George Stricker. How People Change: Inside and Outside Therapy. Plenum Pr, 1991.