APA (7th ed.) Citation

Gilluly, J. ., Water, A. C. ., & Woodford, A. O.. (1975). Principles of geology (4th. ed.). W. H. Freeman.

Chicago Style (17th ed.) Citation

Gilluly, James , Aaron Clement Water, and Alfred Oswald Woodford. Principles of Geology. 4th. ed. San Francisco: W. H. Freeman, 1975.

MLA (9th ed.) Citation

Gilluly, James , et al. Principles of Geology. 4th. ed. W. H. Freeman, 1975.