Cita APA (7th ed.)

de Blij, H., & Muller, p. O. (1996). Physical geography of the global environment (2nd ed.). John Wiley.

Cita Chicago (17th ed.)

de Blij, H.J, i peter O. Muller. Physical Geography of the Global Environment. 2nd ed. New York: John Wiley, 1996.

Cita MLA (9th ed.)

de Blij, H.J, i peter O. Muller. Physical Geography of the Global Environment. 2nd ed. John Wiley, 1996.