APA (7th ed.) Citation

McIntyre, M. P., Mairs, J. W., & Eilers, H. P. (1991). Physical geography (5th ed.). Wiley.

Chicago Style (17th ed.) Citation

McIntyre, Michael P., John W. Mairs, and H. Peter Eilers. Physical Geography. 5th ed. New York: Wiley, 1991.

MLA (8th ed.) Citation

McIntyre, Michael P., et al. Physical Geography. 5th ed. Wiley, 1991.