Cita APA

De Blij, H. J. 1., Muller, P. O., & Williams, R. S. (2004). Physical geography: The global environment (3. edition.). Oxford: Oxford University Press.

Citación estilo Chicago

De Blij, Harm J. 1935-2014, Peter O. Muller, y Richard S. Williams. Physical Geography: The Global Environment. 3. edition. Oxford: Oxford University Press, 2004.

Cita MLA

De Blij, Harm J. 1935-2014, Peter O. Muller, y Richard S. Williams. Physical Geography: The Global Environment. 3. edition. Oxford: Oxford University Press, 2004.