Cita APA (7a ed.)
United States Pharmacopeial Convention. (1980). The United States Pharmacopeia twentieth revision: The National Formulary fifteenth editon (20a. ed.). USPC.
Cita Chicago Style (17a ed.)
United States Pharmacopeial Convention. The United States Pharmacopeia Twentieth Revision: The National Formulary Fifteenth Editon. 20a. ed. Estados Unidos: USPC, 1980.
Cita MLA (9a ed.)
United States Pharmacopeial Convention. The United States Pharmacopeia Twentieth Revision: The National Formulary Fifteenth Editon. 20a. ed. USPC, 1980.
Precaución: Estas citas no son 100% exactas.