APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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