APA Edition Citation

(2009). World Almanac and book of facts 2009. World Almanac Books.

Chicago Edition Citation

World Almanac and Book of Facts 2009. New York: World Almanac Books, 2009.

MLA Edition Citation

World Almanac and Book of Facts 2009. World Almanac Books, 2009.

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