USP DI.
Approved drug products and legal requirements.

APA Citation

United States Pharmacopeial Convention. (1989). USP DI. Rockville, Md.: United States Pharmacopeial Convention.

MLA Citation

United States Pharmacopeial Convention. USP DI. Rockville, Md.: United States Pharmacopeial Convention, 1989.

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