Buffum, E. G. (1966). Six months in the gold mines. University Microfilms.
芝加哥风格引文Buffum, Edward Gould. Six Months in the Gold Mines. Ann Arbor [Mich.]: University Microfilms, 1966.
MLA引文Buffum, Edward Gould. Six Months in the Gold Mines. University Microfilms, 1966.
警告：这些引文格式不一定是100％准确.