Griffin, J. B. (1961). Lake Superior Copper and the Indians: Miscellaneous Studies of Great Lakes Prehistory. University of Michigan.
Cita Chicago Style (17a ed.)Griffin, James B. Lake Superior Copper and the Indians: Miscellaneous Studies of Great Lakes Prehistory. Ann Arbor: University of Michigan, 1961.
Cita MLA (8a ed.)Griffin, James B. Lake Superior Copper and the Indians: Miscellaneous Studies of Great Lakes Prehistory. University of Michigan, 1961.
Precaución: Estas citas no son 100% exactas.