Cita APA (7a ed.)

World Health Organization. (2011). Guideline: Vitamin A supplementation in pregnancy for reducing the risk of mother-to-child transmission of HIV. World Health Organization.

Cita Chicago Style (17a ed.)

World Health Organization. Guideline: Vitamin A Supplementation in Pregnancy for Reducing the Risk of Mother-to-child Transmission of HIV. Geneva, Switzerland: World Health Organization, 2011.

Cita MLA (9a ed.)

World Health Organization. Guideline: Vitamin A Supplementation in Pregnancy for Reducing the Risk of Mother-to-child Transmission of HIV. World Health Organization, 2011.