Cita APA (7a ed.)

Hertlein, K. M., Weeks, G. R., & Sendak, S. K. (2009). A clinician's guide to systemic sex therapy. Routledge.

Cita Chicago Style (17a ed.)

Hertlein, Katherine M., Gerald R. Weeks, y Shelley K. Sendak. A Clinician's Guide to Systemic Sex Therapy. New York: Routledge, 2009.

Cita MLA (8a ed.)

Hertlein, Katherine M., et al. A Clinician's Guide to Systemic Sex Therapy. Routledge, 2009.