APA
United States Pharmacopeial Convention, . (2012). United states Pharmacopeia the national formulary : USP 36 NF 31 Vol. 1,2,3 & Suppl. 1 & Suppl. 2. Rockville, USP: .
Chicago
United States Pharmacopeial Convention, . 2012. United states Pharmacopeia the national formulary : USP 36 NF 31 Vol. 1,2,3 & Suppl. 1 & Suppl. 2. Rockville, USP: .
Harvard
United States Pharmacopeial Convention, . (2012). United states Pharmacopeia the national formulary : USP 36 NF 31 Vol. 1,2,3 & Suppl. 1 & Suppl. 2. Rockville, USP: .
MLA
United States Pharmacopeial Convention, . United states Pharmacopeia the national formulary : USP 36 NF 31 Vol. 1,2,3 & Suppl. 1 & Suppl. 2. Rockville, USP: . 2012.