Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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