Cita APA (7a ed.)

Janssen, S. 1. (2014). The World almanac and book of facts, 2014. World Almanac Books.

Cita Chicago Style (17a ed.)

Janssen, Sarah 1982. The World Almanac and Book of Facts, 2014. New York: World Almanac Books, 2014.

Cita MLA (9a ed.)

Janssen, Sarah 1982. The World Almanac and Book of Facts, 2014. World Almanac Books, 2014.