Quirk, T. (2007). Mark Twain and human nature. University of Missouri Press.
芝加哥风格引文Quirk, Tom. Mark Twain and Human Nature. Columbia: University of Missouri Press, 2007.
MLA引文Quirk, Tom. Mark Twain and Human Nature. University of Missouri Press, 2007.
警告：这些引文格式不一定是100％准确.