Cita APA (7a ed.)

THE WORLD BOOK ENCYCLOPEDIA. (1989). The world book encyclopedia: L. World Book.

Cita Chicago Style (17a ed.)

THE WORLD BOOK ENCYCLOPEDIA. The World Book Encyclopedia: L. Chicago: World Book, 1989.

Cita MLA (9a ed.)

THE WORLD BOOK ENCYCLOPEDIA. The World Book Encyclopedia: L. World Book, 1989.