APA (7th ed.) Zitazioa

Read, H. (1953). Geology: An introduction to earth-history. Oxford University Pr..

Chicago Style (17th ed.) Zitazioa

Read, H.H. Geology: An Introduction to Earth-history. London: Oxford University Pr., 1953.

MLA (9th ed.) Zitazioa

Read, H.H. Geology: An Introduction to Earth-history. Oxford University Pr., 1953.