APA (7th ed.) Citation

Dorn, N., Jepsen, J., & Savona, E. U. (1996). European drug policies and enforcement. Macmillan.

Chicago Style (17th ed.) Citation

Dorn, Nicholas, Jorgen Jepsen, and Ernesto Ugo Savona. European Drug Policies and Enforcement. Houndsmill, Basingstoke, Hampshire: Macmillan, 1996.

MLA (9th ed.) Citation

Dorn, Nicholas, et al. European Drug Policies and Enforcement. Macmillan, 1996.