APA (7th ed.) Citation

Gilluly, J. (1975). Principles of geology (Fourth edition.). W. H. Freeman.

Chicago Style (17th ed.) Citation

Gilluly, James. Principles of Geology. Fourth edition. San Francisco: W. H. Freeman, 1975.

MLA (9th ed.) Citation

Gilluly, James. Principles of Geology. Fourth edition. W. H. Freeman, 1975.

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