APA (7th ed.) Citation

Thompson, G. R., & Turk, J. (1997). Modern physical geology (2nd ed.). Saunders College Pub..

Chicago Style (17th ed.) Citation

Thompson, Graham R., and Jonathan Turk. Modern Physical Geology. 2nd ed. Fort Worth: Saunders College Pub., 1997.

MLA (8th ed.) Citation

Thompson, Graham R., and Jonathan Turk. Modern Physical Geology. 2nd ed. Saunders College Pub., 1997.