APA (7th ed.) Citation

Whitten, D., & Brooks, J. (1972). A dictionary of geology. Penguin.

Chicago Style (17th ed.) Citation

Whitten, D.G.A, and J.R.V Brooks. A Dictionary of Geology. New York: Penguin, 1972.

MLA (9th ed.) Citation

Whitten, D.G.A, and J.R.V Brooks. A Dictionary of Geology. Penguin, 1972.