Cita APA (7th ed.)

Wilmore, . A., & Rev by Payne, E. R. (1965). The groundwork of modern geography (5th ed.). Bell.

Cita Chicago (17th ed.)

Wilmore, Albert, i Ethel R. Rev by Payne. The Groundwork of Modern Geography. 5th ed. London,: Bell, 1965.

Cita MLA (9th ed.)

Wilmore, Albert, i Ethel R. Rev by Payne. The Groundwork of Modern Geography. 5th ed. Bell, 1965.

Atenció: Aquestes cites poden no estar 100% correctes.