APA (7th ed.) Citation

Mather, K. F. (1930). Sons of the earth: The geologist's view of history. W. W. Norton & Co..

Chicago Style (17th ed.) Citation

Mather, Kirtley F. Sons of the Earth: The Geologist's View of History. New York: W. W. Norton & Co., 1930.

MLA (9th ed.) Citation

Mather, Kirtley F. Sons of the Earth: The Geologist's View of History. W. W. Norton & Co., 1930.