APA (7th ed.) Citation

Estados Unidos. Pharmacopeial Convention. (2005). USP 28, NF 23. Supplement 2: U.S. Pharmacopeia and National Formulary. United States Pharmacopeial Convention.

Chicago Style (17th ed.) Citation

Estados Unidos. Pharmacopeial Convention. USP 28, NF 23. Supplement 2: U.S. Pharmacopeia and National Formulary. Rockville, MD: United States Pharmacopeial Convention, 2005.

MLA (9th ed.) Citation

Estados Unidos. Pharmacopeial Convention. USP 28, NF 23. Supplement 2: U.S. Pharmacopeia and National Formulary. United States Pharmacopeial Convention, 2005.