APA (7th ed.) Citation

World Book, Inc, Rand McNally and Company, & Istituto geografico De Agostini. (1994). The World Book atlas. World Book.

Chicago Style (17th ed.) Citation

World Book, Inc, Rand McNally and Company, and Istituto geografico De Agostini. The World Book Atlas. Chicago: World Book, 1994.

MLA (9th ed.) Citation

World Book, Inc, et al. The World Book Atlas. World Book, 1994.