APA Style

The World Book Encyclopedia, Volume --22 Research Guide / Index. (2007). America: The world book Inc.

Chicago Style

The World Book Encyclopedia, Volume --22 Research Guide / Index. Volume --22. America: The world book Inc, 2007. .

MLA Style

The World Book Encyclopedia, Volume --22 Research Guide / Index. Volume --22. America: The world book Inc, 2007. .

Turabian Style

The World Book Encyclopedia, Volume --22 Research Guide / Index. America: The world book Inc, 2007. .