Cita APA

United Nations. Department of International Economic and Social Affairs. (1997). The Sex and age distribution of the world populations: The 1996 revision. United Nations.

Citación estilo Chicago

United Nations. Department of International Economic and Social Affairs. The Sex and Age Distribution of the World Populations: The 1996 Revision. New York: United Nations, 1997.

Cita MLA

United Nations. Department of International Economic and Social Affairs. The Sex and Age Distribution of the World Populations: The 1996 Revision. United Nations, 1997.