APA (7th ed.) Citation

Kallen. (2006). Legalizing drugs. Greenhaven press.

Chicago Style (17th ed.) Citation

Kallen. Legalizing Drugs. Detroit: Greenhaven press, 2006.

MLA (9th ed.) Citation

Kallen. Legalizing Drugs. Greenhaven press, 2006.

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