Cita APA (7a ed.)

United States Pharmacopeial Convention. (2004). The United States Pharmacopeia: The National Formulary (USP 28th, NF 23th.). The United States Pharmacopeial Convention.

Cita Chicago Style (17a ed.)

United States Pharmacopeial Convention. The United States Pharmacopeia: The National Formulary. USP 28th, NF 23th. Rockville, MD: The United States Pharmacopeial Convention, 2004.

Cita MLA (9a ed.)

United States Pharmacopeial Convention. The United States Pharmacopeia: The National Formulary. USP 28th, NF 23th. The United States Pharmacopeial Convention, 2004.