Cita APA (7th ed.)

Cole, J. P. (1979). Geography of world affairs (5th ed.). Penguin.

Cita Chicago (17th ed.)

Cole, John P. Geography of World Affairs. 5th ed. Harmondsworth, Middlesex: Penguin, 1979.

Cita MLA (9th ed.)

Cole, John P. Geography of World Affairs. 5th ed. Penguin, 1979.