Cita APA

Edited by Clifford, N. J. (2009). Key Concepts in Geography (2nd ed.). Sage.

Citación estilo Chicago

Edited by Clifford, Nicholas J. Key Concepts in Geography. 2nd ed. Chennai: Sage, 2009.

Cita MLA

Edited by Clifford, Nicholas J. Key Concepts in Geography. 2nd ed. Sage, 2009.