Citazione Stile APA (7a Edizione)

Cassell, D. K. (2012). The encyclopedia of pharmaceutical drugs. Facts On File.

Citazione stile Chigago Style (17a edizione)

Cassell, Dana K. The Encyclopedia of Pharmaceutical Drugs. New York: Facts On File, 2012.

Citatione MLA (9a ed.)

Cassell, Dana K. The Encyclopedia of Pharmaceutical Drugs. Facts On File, 2012.