APA (7th ed.) Citation

Krapp, K. M., & Blachford, S. (2003). Drugs and controlled substances: Information for students. Thomson/Gale.

Chicago Style (17th ed.) Citation

Krapp, Kristine M., and Stacey Blachford. Drugs and Controlled Substances: Information for Students. Detroit, Mich. [u.a.]: Thomson/Gale, 2003.

MLA (8th ed.) Citation

Krapp, Kristine M., and Stacey Blachford. Drugs and Controlled Substances: Information for Students. Thomson/Gale, 2003.