APA (7th ed.) Citation

Zahn, M. A., & Bencivengo, M. (1976). Violent death: A comparison between drug users and nondrug users.

Chicago Style (17th ed.) Citation

Zahn, Margaret A., and Mark Bencivengo. Violent Death: A Comparison Between Drug Users and Nondrug Users. Philadelphia, 1976.

MLA (9th ed.) Citation

Zahn, Margaret A., and Mark Bencivengo. Violent Death: A Comparison Between Drug Users and Nondrug Users. 1976.

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