Escott, P. D. (2009). "What shall we do with the Negro?": Lincoln, white racism, and Civil War America. University of Virginia Press.
芝加哥风格引文Escott, Paul D. "What Shall We Do with the Negro?": Lincoln, White Racism, and Civil War America. Charlottesville: University of Virginia Press, 2009.
MLA引文Escott, Paul D. "What Shall We Do with the Negro?": Lincoln, White Racism, and Civil War America. University of Virginia Press, 2009.
警告：这些引文格式不一定是100％准确.