APA (7th ed.) Citation

THE WORLD BOOK.. (2007). The world book encyclopedia B volume 2. World Book.

Chicago Style (17th ed.) Citation

THE WORLD BOOK.. The World Book Encyclopedia B Volume 2. Chicago: World Book, 2007.

MLA (9th ed.) Citation

THE WORLD BOOK.. The World Book Encyclopedia B Volume 2. World Book, 2007.

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