APA Style

Pengelly, Andrew, United States Pharmacopeial Convention. (2013). U. S. Pharmacopeia 36: National Formulary 31 (2013) Volume 1 (NULL). Rockville: The United States Pharmacopeial Convention.

Chicago Style

Pengelly, Andrew, United States Pharmacopeial Convention. U. S. Pharmacopeia 36: National Formulary 31 (2013) Volume 1. NULL Rockville: The United States Pharmacopeial Convention, 2013. Text.

MLA Style

Pengelly, Andrew, United States Pharmacopeial Convention. U. S. Pharmacopeia 36: National Formulary 31 (2013) Volume 1. NULL Rockville: The United States Pharmacopeial Convention, 2013. Text.

Turabian Style

Pengelly, Andrew, United States Pharmacopeial Convention. U. S. Pharmacopeia 36: National Formulary 31 (2013) Volume 1. NULL Rockville: The United States Pharmacopeial Convention, 2013. Print.