APA (7th ed.) Citation

Plummer, C. C., & Carlson, D. H. (2007). Physical geology (11th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Plummer, Charles C., and Diane H. Carlson. Physical Geology. 11th ed. New York: McGraw-Hill, 2007.

MLA (9th ed.) Citation

Plummer, Charles C., and Diane H. Carlson. Physical Geology. 11th ed. McGraw-Hill, 2007.