Gaya APA

convention, T, U, S, P. (2007). The United States Pharmacopeia 30: The National Formulary 25, vol. 2 . Rockville: The United States Pharmacopeial Convention.

Gaya MLA

convention, The, United, States, Pharmacopeial. "The United States Pharmacopeia 30: The National Formulary 25, vol. 2". Rockville: The United States Pharmacopeial Convention, 2007. Text.