APA (7th ed.) Citation

(2011). Drug facts and comparisons: 2012 pocket version. Wolters Kluwer Health.

Chicago Style (17th ed.) Citation

Drug Facts and Comparisons: 2012 Pocket Version. St. Louis, Mo.: Wolters Kluwer Health, 2011.

MLA (9th ed.) Citation

Drug Facts and Comparisons: 2012 Pocket Version. Wolters Kluwer Health, 2011.