APA Style

The World Book Encyclopedia C-Ch 3. (2007). USA: World Book.

Chicago Style

The World Book Encyclopedia C-Ch 3. . USA: World Book, 2007. Text.

MLA Style

The World Book Encyclopedia C-Ch 3. . USA: World Book, 2007. Text.

Turabian Style

The World Book Encyclopedia C-Ch 3. USA: World Book, 2007. Print.