Cita APA (7th ed.)

THE WORLD BOOK.. (2007). The world book encyclopedia L volume 12. World Book.

Cita Chicago (17th ed.)

THE WORLD BOOK.. The World Book Encyclopedia L Volume 12. Chicago: World Book, 2007.

Cita MLA (9th ed.)

THE WORLD BOOK.. The World Book Encyclopedia L Volume 12. World Book, 2007.