Cita APA

O'Dell, A. (1967). Geography: Our earth and its people. Grolier.

Chicago Edition Citation

O'Dell, A.C. Geography: Our Earth and Its People. London: Grolier, 1967.

Cita MLA

O'Dell, A.C. Geography: Our Earth and Its People. Grolier, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.