APA (7th ed.) Citation

Riley, C. M. (1959). Our mineral resources: An elementary textbook in economic geology. Wiley.

Chicago Style (17th ed.) Citation

Riley, Charles M. Our Mineral Resources: An Elementary Textbook in Economic Geology. New York: Wiley, 1959.

MLA (9th ed.) Citation

Riley, Charles M. Our Mineral Resources: An Elementary Textbook in Economic Geology. Wiley, 1959.