APA (7th ed.) Citation

Green, J. C. (1970). Lower Precambrian rocks of the Gabbro Lake quadrangle, northeastern Minnesota. [University of Minnesota].

Chicago Style (17th ed.) Citation

Green, John C. Lower Precambrian Rocks of the Gabbro Lake Quadrangle, Northeastern Minnesota. [Minneapolis]: [University of Minnesota], 1970.

MLA (9th ed.) Citation

Green, John C. Lower Precambrian Rocks of the Gabbro Lake Quadrangle, Northeastern Minnesota. [University of Minnesota], 1970.