APA (7th ed.) Citation

Gilluly, J. (1959). Principles of geology (2nd ed.). W.H. Freeman.

Chicago Style (17th ed.) Citation

Gilluly, James. Principles of Geology. 2nd ed. San Francisco ; London: W.H. Freeman, 1959.

MLA (9th ed.) Citation

Gilluly, James. Principles of Geology. 2nd ed. W.H. Freeman, 1959.

Warning: These citations may not always be 100% accurate.