APA Style

WORL BOOK , E Volume 6. (2007). Chicago: World Book, Inc.

Chicago Style

WORL BOOK , E Volume 6. . Chicago: World Book, Inc, 2007. Text.

MLA Style

WORL BOOK , E Volume 6. . Chicago: World Book, Inc, 2007. Text.

Turabian Style

WORL BOOK , E Volume 6. Chicago: World Book, Inc, 2007. Print.