Foley, D., McKenzie, G. D., & Utgard, R. O. (1999). Investigations in environmental geology (2nd ed.). Prentice Hall.
Chicago Style (17th ed.) CitationFoley, Duncan, Garry D. McKenzie, and Russell O. Utgard. Investigations in Environmental Geology. 2nd ed. Upper Saddle River, NJ: Prentice Hall, 1999.
MLA (9th ed.) CitationFoley, Duncan, et al. Investigations in Environmental Geology. 2nd ed. Prentice Hall, 1999.
Warning: These citations may not always be 100% accurate.