APA (7th ed.) Citation

World Book,Inc. (2006). World book dictionary. World Book,Inc.

Chicago Style (17th ed.) Citation

World Book,Inc. World Book Dictionary. Chicago: World Book,Inc, 2006.

MLA (9th ed.) Citation

World Book,Inc. World Book Dictionary. World Book,Inc, 2006.

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