APA (7th ed.) Zitazioa

Holmes, A. (1944). Principles of physical geology. Thomas Nelson.

Chicago Style (17th ed.) Zitazioa

Holmes, Arthur. Principles of Physical Geology. London: Thomas Nelson, 1944.

MLA (9th ed.) Zitazioa

Holmes, Arthur. Principles of Physical Geology. Thomas Nelson, 1944.