Cita APA (7th ed.)

Hubbard, P., Kitchin, R., & Valentine, G. (2008). Key texts in Human Geography. Sage.

Cita Chicago (17th ed.)

Hubbard, Phil, Rob Kitchin, i Gill Valentine. Key Texts in Human Geography. Los Angeles: Sage, 2008.

Cita MLA (9th ed.)

Hubbard, Phil, et al. Key Texts in Human Geography. Sage, 2008.