Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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