APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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