Clements J. M. J. Morgan & Van Hise Ch. R. Charles Richard. (1903). The Vermilion iron-bearing district of Minnesota, with an atlas. Washington, Governmext Printing Office, 1903.
Citazione stile Chigago Style (17a edizione)Clements J. M. J. Morgan e Van Hise Ch. R. Charles Richard. The Vermilion Iron-bearing District of Minnesota, with an Atlas. Washington, Governmext Printing Office, 1903, 1903.
Citatione MLA (9a ed.)Clements J. M. J. Morgan e Van Hise Ch. R. Charles Richard. The Vermilion Iron-bearing District of Minnesota, with an Atlas. Washington, Governmext Printing Office, 1903, 1903.
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