Cita APA

(1985). Supplement 1: USP XXI-NF XVI (Twenty-Firts rev.). Rockville: The United States Pharmacopeial of America.

Citación estilo Chicago

Supplement 1: USP XXI-NF XVI. Twenty-Firts rev. Rockville: The United States Pharmacopeial of America, 1985.

Cita MLA

Supplement 1: USP XXI-NF XVI. Twenty-Firts rev. Rockville: The United States Pharmacopeial of America, 1985.