Record citatie

APA (7e ed.) Bronvermelding
Estados Unidos Geological Survey. (19). Geologic map of copper range from end of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey.
Chicago (17e ed.) Bronvermelding
Estados Unidos Geological Survey. Geologic Map of Copper Range from End of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey, 19.
MLA (9e ed.) Bronvermelding
Estados Unidos Geological Survey. Geologic Map of Copper Range from End of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey, 19.
Let op: Deze citaties zijn niet altijd 100% accuraat.