The United States pharmacopeia.
The national formulary.

APA Citation

United States Pharmacopeial Convention. (1979). The United States pharmacopeia. Rockville, Md.: United States Pharmacopeial Convention, inc..

MLA Citation

United States Pharmacopeial Convention. The United States Pharmacopeia. Rockville, Md.: United States Pharmacopeial Convention, inc., 1979.

Warning: These citations may not always be complete (especially for serials).