Cita APA (7a ed.)

United States Pharmacopeial Convention. (2003). USP 27, NF 22: The United States Pharmacopeia, the National Formulary. United States Pharmacopeial Convention.

Cita Chicago Style (17a ed.)

United States Pharmacopeial Convention. USP 27, NF 22: The United States Pharmacopeia, the National Formulary. Rockville, MD: United States Pharmacopeial Convention, 2003.

Cita MLA (9a ed.)

United States Pharmacopeial Convention. USP 27, NF 22: The United States Pharmacopeia, the National Formulary. United States Pharmacopeial Convention, 2003.