Gaya APA

U.S.P 37-NP 32 Vol. 3 (U.S. Pharmacopeia National Formulary. (2013). Baltimore: United Book Press.

Gaya MLA

U.S.P 37-NP 32 Vol. 3 (U.S. Pharmacopeia National Formulary. . Baltimore: United Book Press, 2013. print.