Read, H. (1962). Introduction to geology. Macmillan.
Cita Chicago (17th ed.)Read, H.H. Introduction to Geology. London: Macmillan, 1962.
Cita MLA (9th ed.)Read, H.H. Introduction to Geology. Macmillan, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.