APA Citation

(2007). The world almanac and book of facts 2013. New York: World Almanac Education Group.

Chicago Style Citation

The World Almanac and Book of Facts 2013. New York: World Almanac Education Group, 2007.

MLA Citation

The World Almanac and Book of Facts 2013. New York: World Almanac Education Group, 2007.

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