Cita APA (7th ed.)
LaBerge, G. L. (1994). Geology of the Lake Superior Region. Geoscience Press.
Cita Chicago (17th ed.)
LaBerge, Gene L. Geology of the Lake Superior Region. Phoenix, Ariz.: Geoscience Press, 1994.
Cita MLA (9th ed.)
LaBerge, Gene L. Geology of the Lake Superior Region. Geoscience Press, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.