Townshend, R. B. (2008). A tenderfoot in Colorado. University Press of Colorado.
芝加哥风格引文Townshend, R. B. A Tenderfoot in Colorado. Boulder: University Press of Colorado, 2008.
MLA引文Townshend, R. B. A Tenderfoot in Colorado. University Press of Colorado, 2008.
警告：这些引文格式不一定是100％准确.