Cita APA

World Almanac Books. (2004). The world almanac and book of facts 2004. New York: World Almanac Education Group.

Citación estilo Chicago

World Almanac Books. The World Almanac and Book of Facts 2004. New York: World Almanac Education Group, 2004.

Cita MLA

World Almanac Books. The World Almanac and Book of Facts 2004. New York: World Almanac Education Group, 2004.

Precaución: Estas citas no son 100% exactas.