APA-viite (7. p.)

Clifford, N., French, S., & Valentine, G. (2010). Key methods in Geography (2a. ed.). Sage.

Chicago-viite (17. p.)

Clifford, Nicholas, Shaun French, ja Gill Valentine. Key Methods in Geography. 2a. ed. Los Angeles: Sage, 2010.

MLA-viite (9. p.)

Clifford, Nicholas, et al. Key Methods in Geography. 2a. ed. Sage, 2010.