APA (7th ed.) Citation

LaBerge, G. L. (1994). Geology of the Lake Superior Region. Geoscience Press.

Chicago Style (17th ed.) Citation

LaBerge, Gene L. Geology of the Lake Superior Region. Phoenix, Ariz.: Geoscience Press, 1994.

MLA (9th ed.) Citation

LaBerge, Gene L. Geology of the Lake Superior Region. Geoscience Press, 1994.