記錄引文
APA引文
Estados Unidos Geological Survey. (1929). Map of the Eastern part of the northward extension of the sheridan coal field, rosebud and big horn counties, Montana. U. S. Geological Survey.
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Chicago Style (17th ed.) Citation
Estados Unidos Geological Survey. Map of the Eastern Part of the Northward Extension of the Sheridan Coal Field, Rosebud and Big Horn Counties, Montana. U. S. Geological Survey, 1929.
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MLA引文
Estados Unidos Geological Survey. Map of the Eastern Part of the Northward Extension of the Sheridan Coal Field, Rosebud and Big Horn Counties, Montana. U. S. Geological Survey, 1929.
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警告：這些引文格式不一定是100％准確.