APA (7th ed.) Citation

Wheeler, J. O., & Muller, P. O. (1986). Economic geography (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Wheeler, James O., and Peter O. Muller. Economic Geography. 2nd ed. New York: Wiley, 1986.

MLA (8th ed.) Citation

Wheeler, James O., and Peter O. Muller. Economic Geography. 2nd ed. Wiley, 1986.