Cita APA (7a ed.)

THE WORLD BOOK.. (2007). The world book encyclopedia volume 22: Research guide/index. World Book.

Cita Chicago Style (17a ed.)

THE WORLD BOOK.. The World Book Encyclopedia Volume 22: Research Guide/index. Chicago: World Book, 2007.

Cita MLA (9a ed.)

THE WORLD BOOK.. The World Book Encyclopedia Volume 22: Research Guide/index. World Book, 2007.