APA (7th ed.) Citation

Kallen, S. A. (2006). Legalizing drugs. Greenhaven Press.

Chicago Style (17th ed.) Citation

Kallen, Stuart A. Legalizing Drugs. Farmington Hills, Mich. [u.a.]: Greenhaven Press, 2006.

MLA (8th ed.) Citation

Kallen, Stuart A. Legalizing Drugs. Greenhaven Press, 2006.