APA (7th ed.) Citation

Grout, F. F., & Wolff, J. F. 1. [. o. c. (1955). The geology of the Cuyuna district, Minnesota: A progress report. University of Minnesota Press.

Chicago Style (17th ed.) Citation

Grout, Frank F., and Julius Frederic 1885- [from old catalog] Wolff. The Geology of the Cuyuna District, Minnesota: A Progress Report. Minneapolis: University of Minnesota Press, 1955.

MLA (9th ed.) Citation

Grout, Frank F., and Julius Frederic 1885- [from old catalog] Wolff. The Geology of the Cuyuna District, Minnesota: A Progress Report. University of Minnesota Press, 1955.