Burt, J. (2013). Lincoln's tragic pragmatism: Lincoln, Douglas, and moral conflict. Belknap Press of Harvard University Press.
芝加哥风格引文Burt, John. Lincoln's Tragic Pragmatism: Lincoln, Douglas, and Moral Conflict. Cambridge, Mass.: Belknap Press of Harvard University Press, 2013.
MLA引文Burt, John. Lincoln's Tragic Pragmatism: Lincoln, Douglas, and Moral Conflict. Belknap Press of Harvard University Press, 2013.
警告：这些引文格式不一定是100％准确.