Du Bois. The Problem of the Color Line at the Turn of the Twentieth Century. Fordham University Press.
Chicago Style (17th ed.) CitationDu Bois. The Problem of the Color Line at the Turn of the Twentieth Century. Fordham University Press.
MLA引文Du Bois. The Problem of the Color Line at the Turn of the Twentieth Century. Fordham University Press.
警告：這些引文格式不一定是100％准確.