APA (7th ed.) Citation

Spurr, J. E. (1920). Political and commercial geology and the world's mineral resources: A series of studies by specialists. McGraw-Hill book company, inc..

Chicago Style (17th ed.) Citation

Spurr, Josiah Edward. Political and Commercial Geology and the World's Mineral Resources: A Series of Studies by Specialists. New York: McGraw-Hill book company, inc., 1920.

MLA (9th ed.) Citation

Spurr, Josiah Edward. Political and Commercial Geology and the World's Mineral Resources: A Series of Studies by Specialists. McGraw-Hill book company, inc., 1920.