Cita APA (7a ed.)

United States Pharmacopeial Convention. (2002). The United States Pharmacopeia: The National Formulary (USP 26th, NF 21st.). The United States Pharmacopeial Convention.

Cita Chicago Style (17a ed.)

United States Pharmacopeial Convention. The United States Pharmacopeia: The National Formulary. USP 26th, NF 21st. Rockville, MD: The United States Pharmacopeial Convention, 2002.

Cita MLA (9a ed.)

United States Pharmacopeial Convention. The United States Pharmacopeia: The National Formulary. USP 26th, NF 21st. The United States Pharmacopeial Convention, 2002.