Cita APA

THE WORLD BOOK.. (2007). The world book encyclopedia A volume 1. World Book.

Citación estilo Chicago

THE WORLD BOOK.. The World Book Encyclopedia A Volume 1. Chicago: World Book, 2007.

Cita MLA

THE WORLD BOOK.. The World Book Encyclopedia A Volume 1. World Book, 2007.

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