APA (7th ed.) Citation

United States Pharmacopeial Convention. (2015). USP 38- NF 33 (First supplement.). The Convention.

Chicago Style (17th ed.) Citation

United States Pharmacopeial Convention. USP 38- NF 33. First supplement. Rockville, MD: The Convention, 2015.

MLA (8th ed.) Citation

United States Pharmacopeial Convention. USP 38- NF 33. First supplement. The Convention, 2015.