McKenzie, G. D., & Utgard, R. O. Man and his physical environment: Readings in environmental geology.
Chicago Style (17th ed.) CitationMcKenzie, Garry D., and Russell O. Utgard. Man and His Physical Environment: Readings in Environmental Geology.
MLA (9th ed.) CitationMcKenzie, Garry D., and Russell O. Utgard. Man and His Physical Environment: Readings in Environmental Geology.
Warning: These citations may not always be 100% accurate.