Blum, E. J. (2009). W. E. B. Du Bois: American prophet. University of Pennsylvania Press.
Chicago Style (17th ed.) CitationBlum, Edward J. W. E. B. Du Bois: American Prophet. Philadelphia: University of Pennsylvania Press, 2009.
MLA引文Blum, Edward J. W. E. B. Du Bois: American Prophet. University of Pennsylvania Press, 2009.
警告：這些引文格式不一定是100％准確.
