United States Pharmacopeial Convention. Committee of Revision. (2007). The United States pharmacopeia Supplement (August 1, 2008): National Formulary : twenty-six (USP 31 and NF 26.). Rockville, Md.: United States Pharmacopeial Convention, Inc..
Chicago Style CitationUnited States Pharmacopeial Convention. Committee of Revision. The United States Pharmacopeia Supplement (August 1, 2008): National Formulary : Twenty-six. USP 31 and NF 26. Rockville, Md.: United States Pharmacopeial Convention, Inc., 2007.
MLA CitationUnited States Pharmacopeial Convention. Committee of Revision. The United States Pharmacopeia Supplement (August 1, 2008): National Formulary : Twenty-six. USP 31 and NF 26. Rockville, Md.: United States Pharmacopeial Convention, Inc., 2007.