Cita APA (7a ed.)

Middleton, N. (1989). Atlas of world issues. Facts on File.

Cita Chicago Style (17a ed.)

Middleton, Nick. Atlas of World Issues. New York: Facts on File, 1989.

Cita MLA (9a ed.)

Middleton, Nick. Atlas of World Issues. Facts on File, 1989.

Precaución: Estas citas no son 100% exactas.