Cita APA

(2004). The world almanac and book of facts 2004. New York: World almanac books.

Chicago Style Citation

The World Almanac and Book of Facts 2004. New York: World almanac books, 2004.

Cita MLA

The World Almanac and Book of Facts 2004. New York: World almanac books, 2004.

Atenció: Aquestes cites poden no estar 100% correctes.