APA (7th ed.) Citation
(2015). <The> world almanac and book of facts 2015. World Almanac Books.
Chicago Style (17th ed.) Citation
<The> World Almanac and Book of Facts 2015. New York: World Almanac Books, 2015.
MLA (9th ed.) Citation
<The> World Almanac and Book of Facts 2015. World Almanac Books, 2015.
Warning: These citations may not always be 100% accurate.