Cita APA (7a ed.)
Clifford, N. (2016). Key methods in geography (3rd ed.). Sage.
Cita Chicago Style (17a ed.)
Clifford, Nicholas. Key Methods in Geography. 3rd ed. London: Sage, 2016.
Cita MLA (9a ed.)
Clifford, Nicholas. Key Methods in Geography. 3rd ed. Sage, 2016.
Precaución: Estas citas no son 100% exactas.