Cita APA

United States. Commitee of Revision. (2004). The United States Pharmacopeia 27: The National Formulary 22 (27a. ed.). United States: USP.

Citación estilo Chicago

United States. Commitee of Revision. The United States Pharmacopeia 27: The National Formulary 22. 27a. ed. United States: USP, 2004.

Cita MLA

United States. Commitee of Revision. The United States Pharmacopeia 27: The National Formulary 22. 27a. ed. United States: USP, 2004.