APA (7th ed.) Citation

Putnam, W. C., & Bassett, A. B. (1971). Geology (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Putnam, William Clement, and Ann Bradley Bassett. Geology. 2nd ed. New York: Oxford University Press, 1971.

MLA (9th ed.) Citation

Putnam, William Clement, and Ann Bradley Bassett. Geology. 2nd ed. Oxford University Press, 1971.