Cita APA (7a ed.)

Ray, W. A., Keeney, B., & Erickson, B. A. (1993). Resource-focused therapy. Karnac Books.

Cita Chicago Style (17a ed.)

Ray, Wendel A., Bradford Keeney, y Betty Alice Erickson. Resource-focused Therapy. London: Karnac Books, 1993.

Cita MLA (9a ed.)

Ray, Wendel A., et al. Resource-focused Therapy. Karnac Books, 1993.