APA (7th ed.) Citation

Matthews, W. H. (1967). Geology made simple ([1st ed.].). Doubleday.

Chicago Style (17th ed.) Citation

Matthews, William Henry. Geology Made Simple. [1st ed.]. Garden City, N.Y.: Doubleday, 1967.

MLA (9th ed.) Citation

Matthews, William Henry. Geology Made Simple. [1st ed.]. Doubleday, 1967.