APA (7th ed.) Citation

United Nations. Department of Economic and Social Affairs. Population Division. (2013). World population prospects 2013. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Department of Economic and Social Affairs. Population Division. World Population Prospects 2013. New York: United Nations, 2013.

MLA (9th ed.) Citation

United Nations. Department of Economic and Social Affairs. Population Division. World Population Prospects 2013. United Nations, 2013.