APA引文

Smith, D. A. (2009). The trail of gold and silver: Mining in Colorado, 1859-2009. University Press of Colorado.

芝加哥风格引文

Smith, Duane A. The Trail of Gold and Silver: Mining in Colorado, 1859-2009. Boulder, Colo.: University Press of Colorado, 2009.

MLA引文

Smith, Duane A. The Trail of Gold and Silver: Mining in Colorado, 1859-2009. University Press of Colorado, 2009.