APA Style

Pharmacopeial, U, S. (1990). Drug Information for the Health Care Professional. Vol. 1-A (10th ed). Rockville: U.S Pharmacopeial Convention, Inc..

MLA Style

Pharmacopeial, United, States. "Drug Information for the Health Care Professional. Vol. 1-A". 10th ed Rockville: U.S Pharmacopeial Convention, Inc., 1990. print.