Cita APA (7th ed.)

Read, H. H. (1963). Geology: An introduction to earth history. Oxford University Press.

Cita Chicago (17th ed.)

Read, H. H. Geology: An Introduction to Earth History. New York: Oxford University Press, 1963.

Cita MLA (9th ed.)

Read, H. H. Geology: An Introduction to Earth History. Oxford University Press, 1963.