Cita APA

(1985). Supplement, 2: USP XXI-NF XVI (Twenty First ed. rev.). Rockville: The United States Pharmacopeial of America.

Citación estilo Chicago

Supplement, 2: USP XXI-NF XVI. Twenty First ed. rev. Rockville: The United States Pharmacopeial of America, 1985.

Cita MLA

Supplement, 2: USP XXI-NF XVI. Twenty First ed. rev. Rockville: The United States Pharmacopeial of America, 1985.