記錄引文
APA引文
Estados Unidos Geological Survey. (19). Geologic map of copper range from end of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey.
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Chicago Style (17th ed.) Citation
Estados Unidos Geological Survey. Geologic Map of Copper Range from End of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey, 19.
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MLA引文
Estados Unidos Geological Survey. Geologic Map of Copper Range from End of Keweenaw Point to Mount Houghton, Michigan. U. S. Geological Survey, 19.
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警告：這些引文格式不一定是100％准確.