Cita APA

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

Citación estilo Chicago

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

Cita MLA

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