APA (7th ed.) Citation

Emmons, W. H., & Grout, F. F. (1943). Mineral resources of Minnesota. University of Minnesota Press.

Chicago Style (17th ed.) Citation

Emmons, William H., and Frank F. Grout. Mineral Resources of Minnesota. Minneapolis: University of Minnesota Press, 1943.

MLA (9th ed.) Citation

Emmons, William H., and Frank F. Grout. Mineral Resources of Minnesota. University of Minnesota Press, 1943.