Cita APA (7a ed.)

De Blij, H. J., & Muller, P. O. (2005). Concepts and regions in geography (2nd ed.). Wiley.

Cita Chicago Style (17a ed.)

De Blij, Harm J., y Peter O. Muller. Concepts and Regions in Geography. 2nd ed. Hoboken, N.J: Wiley, 2005.

Cita MLA (9a ed.)

De Blij, Harm J., y Peter O. Muller. Concepts and Regions in Geography. 2nd ed. Wiley, 2005.