APA Edition Citation

David Sue, Stanley Sue, & Derald Sue. (1990). Understanding abnormal behaviour. Houghton Mifflin.

Chicago Edition Citation

David Sue, Stanley Sue, and Derald Sue. Understanding Abnormal Behaviour. Boston: Houghton Mifflin, 1990.

MLA Edition Citation

David Sue, et al. Understanding Abnormal Behaviour. Houghton Mifflin, 1990.

Warning: These citations may not always be 100% accurate.