Cita APA (7th ed.)

Cole, J. P. (1972). Geography of world affairs (4th ed.). Penguin Books.

Cita Chicago (17th ed.)

Cole, J. P. Geography of World Affairs. 4th ed. [Harmondsworth, Middlesex]: Penguin Books, 1972.

Cita MLA (9th ed.)

Cole, J. P. Geography of World Affairs. 4th ed. Penguin Books, 1972.