APA (7th ed.) Citation

Hertlein, K. M., Weeks, G. R., & Gambescia, N. (2015). Systemic sex therapy (Second edition.). Routledge.

Chicago Style (17th ed.) Citation

Hertlein, Katherine M., Gerald R. Weeks, and Nancy Gambescia. Systemic Sex Therapy. Second edition. New York and London: Routledge, 2015.

MLA (9th ed.) Citation

Hertlein, Katherine M., et al. Systemic Sex Therapy. Second edition. Routledge, 2015.