APA (7th ed.) Citation

Sarah Janssen. (2008). The WORLD almanac and book of facts 2008. World Almanac Books.

Chicago Style (17th ed.) Citation

Sarah Janssen. The WORLD Almanac and Book of Facts 2008. World Almanac Books, 2008.

MLA (9th ed.) Citation

Sarah Janssen. The WORLD Almanac and Book of Facts 2008. World Almanac Books, 2008.

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