Cita APA (7a ed.)

United States Pharmacopeial Convention. (1947). The Pharmacopeia of the United States of America (13th revision.). The United States Pharmacopeial Convention.

Cita Chicago Style (17a ed.)

United States Pharmacopeial Convention. The Pharmacopeia of the United States of America. 13th revision. Rockville, MD: The United States Pharmacopeial Convention, 1947.

Cita MLA (9a ed.)

United States Pharmacopeial Convention. The Pharmacopeia of the United States of America. 13th revision. The United States Pharmacopeial Convention, 1947.