Walker, C. E. (2009). Mongrel nation: The America begotten by Thomas Jefferson and Sally Hemings. University of Virginia Press.
芝加哥风格引文Walker, Clarence Earl. Mongrel Nation: The America Begotten by Thomas Jefferson and Sally Hemings. Charlottesville: University of Virginia Press, 2009.
MLA引文Walker, Clarence Earl. Mongrel Nation: The America Begotten by Thomas Jefferson and Sally Hemings. University of Virginia Press, 2009.
警告：这些引文格式不一定是100％准确.