MLA

Hategan, et al. Geriatric Psychiatry Study Guide. Springer International Publishing, 2018.

APA

Hategan, H., Bourgeois, J. A, Cheng, T., & Young, J. (2018). Geriatric Psychiatry Study Guide. Springer International Publishing.

Chicago

Hategan, James A Bourgeois, Tracy Cheng, and Julie Young. Geriatric Psychiatry Study Guide. : Springer International Publishing, 2018.