APA (7th ed.) Citation

Denning, P., Little, J., & Glickman, A. (2004). Over the influence: The harm reduction guide for managing drugs and alcohol. Guilford.

Chicago Style (17th ed.) Citation

Denning, Patt, Jeannie Little, and Adina Glickman. Over the Influence: The Harm Reduction Guide for Managing Drugs and Alcohol. New York [u.a.]: Guilford, 2004.

MLA (9th ed.) Citation

Denning, Patt, et al. Over the Influence: The Harm Reduction Guide for Managing Drugs and Alcohol. Guilford, 2004.