APA (7th ed.) Citation

USA Drug Enforcement Administration & Hoover, R. D. (1985). Drugs of Abuse. U.S. GPO.

Chicago Style (17th ed.) Citation

USA Drug Enforcement Administration and R. D. Hoover. Drugs of Abuse. Washington, D.C: U.S. GPO, 1985.

MLA (9th ed.) Citation

USA Drug Enforcement Administration and R. D. Hoover. Drugs of Abuse. U.S. GPO, 1985.

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