Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

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