APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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