Cita APA (7a ed.)

Wilmore, A. (1952). The groundwork of modern geography. G.Bell.

Cita Chicago Style (17a ed.)

Wilmore, Albert. The Groundwork of Modern Geography. London: G.Bell, 1952.

Cita MLA (9a ed.)

Wilmore, Albert. The Groundwork of Modern Geography. G.Bell, 1952.