Gaya APA

convention, T, U, S, P. (2013). The United States Pharmacopeia 37 : The National Formulary 32, Vol.4 . Rockville: The United States Pharmacopeial Convention.

Gaya MLA

convention, The, United, States, Pharmacopeial. "The United States Pharmacopeia 37 : The National Formulary 32, Vol.4". Rockville: The United States Pharmacopeial Convention, 2013. Text.