Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Estados Unidos Geological Survey. (19). Geologic sections of Quincy mine, T. 55 N., R. 34 W., Houghton County, Mich. U. S. Geological Survey.
Chicago Style (17th ed.) Zitazioa
Estados Unidos Geological Survey. Geologic Sections of Quincy Mine, T. 55 N., R. 34 W., Houghton County, Mich. U. S. Geological Survey, 19.
MLA (9th ed.) Zitazioa
Estados Unidos Geological Survey. Geologic Sections of Quincy Mine, T. 55 N., R. 34 W., Houghton County, Mich. U. S. Geological Survey, 19.
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