Engs, R. F. (2004). Freedom's first generation: Black Hampton, Virginia, 1861-1890 (1st Fordham University Press ed.). Fordham University Press.
芝加哥风格引文Engs, Robert Francis. Freedom's First Generation: Black Hampton, Virginia, 1861-1890. 1st Fordham University Press ed. New York: Fordham University Press, 2004.
MLA引文Engs, Robert Francis. Freedom's First Generation: Black Hampton, Virginia, 1861-1890. 1st Fordham University Press ed. Fordham University Press, 2004.
警告：这些引文格式不一定是100％准确.