Cita APA (7th ed.)

World Book, Inc. (2015). The World Book encyclopedia. World Book, a Scott Fetzer Company.

Cita Chicago (17th ed.)

World Book, Inc. The World Book Encyclopedia. Chicago: World Book, a Scott Fetzer Company, 2015.

Cita MLA (9th ed.)

World Book, Inc. The World Book Encyclopedia. World Book, a Scott Fetzer Company, 2015.