Fredrickson, G. M. (2008). Big enough to be inconsistent: Abraham Lincoln confronts slavery and race. Harvard University Press.
芝加哥风格引文Fredrickson, George M. Big Enough to Be Inconsistent: Abraham Lincoln Confronts Slavery and Race. Cambridge, Mass.: Harvard University Press, 2008.
MLA引文Fredrickson, George M. Big Enough to Be Inconsistent: Abraham Lincoln Confronts Slavery and Race. Harvard University Press, 2008.
警告：这些引文格式不一定是100％准确.