记录引文
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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芝加哥风格引文
Clark William Bullock, Walcott Charles Doolittle, Glenn L. C., Miller Benjamin L., 与 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：这些引文格式不一定是100％准确.