記錄引文
APA引文
Clark William Bullock, Walcott Charles Doolittle, Glenn L. C., Miller Benjamin L., & Neal W. D. (1902). Map of Calvert county showing the geological formations. U. S. Geological Survey.
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Chicago Style (17th ed.) Citation
Clark William Bullock, Walcott Charles Doolittle, Glenn L. C., Miller Benjamin L., and Neal W. D. Map of Calvert County Showing the Geological Formations. U. S. Geological Survey, 1902.
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MLA引文
Clark William Bullock, et al. Map of Calvert County Showing the Geological Formations. U. S. Geological Survey, 1902.
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警告：這些引文格式不一定是100％准確.