APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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