Citazione Stile APA (7a Edizione)

Park, W. A. (2004). The World almanac and book of facts 2004 (2004 ed.). World Almanac Books.

Citazione stile Chigago Style (17a edizione)

Park, William A. The World Almanac and Book of Facts 2004. 2004 ed. New York: World Almanac Books, 2004.

Citatione MLA (9a ed.)

Park, William A. The World Almanac and Book of Facts 2004. 2004 ed. World Almanac Books, 2004.