APA (7th ed.) Citation

United Nations. Department of International Economic and Social Affairs. (1990). Step-by-step guide to the estimation of child mortality. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Department of International Economic and Social Affairs. Step-by-step Guide to the Estimation of Child Mortality. New York: United Nations, 1990.

MLA (9th ed.) Citation

United Nations. Department of International Economic and Social Affairs. Step-by-step Guide to the Estimation of Child Mortality. United Nations, 1990.