MLA

Dorfman, William I, Lenore E Walker, and Lenore E. A Walker. First Responder’s Guide to Abnormal Psychology. Springer US, 2007.

APA

Dorfman, W. I, Walker, L. E, & Walker, L. E. A. (2007). First Responder’s Guide to Abnormal Psychology. Springer US.

Chicago

Dorfman, William I., Lenore E Walker, and Lenore E. A Walker. First Responder’s Guide to Abnormal Psychology. : Springer US, 2007.