APA (7th ed.) Citation

Seltzer, M. B., & Mulholland, J. M. (2012). Drug calculations: Ratio and proportion problems for clinical practice (Ninth edition.). Elsevier/Mosby.

Chicago Style (17th ed.) Citation

Seltzer, Meta Brown, and Joyce M. Mulholland. Drug Calculations: Ratio and Proportion Problems for Clinical Practice. Ninth edition. St. Louis, Mo.: Elsevier/Mosby, 2012.

MLA (9th ed.) Citation

Seltzer, Meta Brown, and Joyce M. Mulholland. Drug Calculations: Ratio and Proportion Problems for Clinical Practice. Ninth edition. Elsevier/Mosby, 2012.