APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

Gilluly, James. Principles of Geology. San Francisco: W.H. Freeman, 1959.

MLA (9th ed.) Zitazioa

Gilluly, James. Principles of Geology. W.H. Freeman, 1959.