United States Pharmacopeial Convention Council of Experts. (2002). The United States Pharmacopeia 25: The National Formulary 20 (25a. ed.). USP.
Cita Chicago Style (17a ed.)United States Pharmacopeial Convention Council of Experts. The United States Pharmacopeia 25: The National Formulary 20. 25a. ed. United States: USP, 2002.
Cita MLA (9a ed.)United States Pharmacopeial Convention Council of Experts. The United States Pharmacopeia 25: The National Formulary 20. 25a. ed. USP, 2002.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.