Curtis, K. A. (2013). Gambling on ore: The nature of metal mining in the United States, 1860-1910. University Press of Colorado.
芝加哥风格引文Curtis, Kent A. Gambling on Ore: The Nature of Metal Mining in the United States, 1860-1910. Boulder: University Press of Colorado, 2013.
MLA引文Curtis, Kent A. Gambling on Ore: The Nature of Metal Mining in the United States, 1860-1910. University Press of Colorado, 2013.
警告：这些引文格式不一定是100％准确.