Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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