Cita APA

(2010). World Almanac and book of facts 2010. World Almanac Books.

Citación estilo Chicago

World Almanac and Book of Facts 2010. New York: World Almanac Books, 2010.

Cita MLA

World Almanac and Book of Facts 2010. World Almanac Books, 2010.

Warning: These citations may not always be 100% accurate.