Cita APA

Population Reference Bureau (Estados Unidos). (1999). World Population: More than Just. Numbers. Washington, DC US: Population Reference Bureau.

Citación estilo Chicago

Population Reference Bureau (Estados Unidos). World Population: More Than Just. Numbers. Washington, DC US: Population Reference Bureau, 1999.

Cita MLA

Population Reference Bureau (Estados Unidos). World Population: More Than Just. Numbers. Washington, DC US: Population Reference Bureau, 1999.

Precaución: Estas citas no son 100% exactas.