World Book, Inc. (2015). The World Book encyclopedia. World Book, a Scott Fetzer Company.
Chicago Style (17th ed.) CitationWorld Book, Inc. The World Book Encyclopedia. Chicago: World Book, a Scott Fetzer Company, 2015.
MLA (8th ed.) CitationWorld Book, Inc. The World Book Encyclopedia. World Book, a Scott Fetzer Company, 2015.
Warning: These citations may not always be 100% accurate.