APA (7th ed.) Citation

THE WORLD BOOK.. (2007). The world book So-Sz volume 18. World Book.

Chicago Style (17th ed.) Citation

THE WORLD BOOK.. The World Book So-Sz Volume 18. Chicago: World Book, 2007.

MLA (9th ed.) Citation

THE WORLD BOOK.. The World Book So-Sz Volume 18. World Book, 2007.