Cita APA (7th ed.)

WHO. (2011). The international pharmacopoeia (4th ed.). World Health Organization.

Cita Chicago (17th ed.)

WHO. The International Pharmacopoeia. 4th ed. Geneva: World Health Organization, 2011.

Cita MLA (8th ed.)

WHO. The International Pharmacopoeia. 4th ed. World Health Organization, 2011.