APA Citation

(2009). The World almanac and book of facts, 2009. New York: World Almanac Books.

Chicago Style Citation

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

MLA Citation

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

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