APA (7e ed.) Bronvermelding

Cohen, S. B. (1963). Geography and politics in a world divided. Random House.

Chicago (17e ed.) Bronvermelding

Cohen, Saul Bernard. Geography and Politics in a World Divided. New York: Random House, 1963.

MLA (9e ed.) Bronvermelding

Cohen, Saul Bernard. Geography and Politics in a World Divided. Random House, 1963.