Cita APA (7th ed.)

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.