Bristol, D. W. (2009). Knights of the razor: Black barbers in slavery and freedom. Johns Hopkins University Press.
芝加哥风格引文Bristol, Douglas Walter. Knights of the Razor: Black Barbers in Slavery and Freedom. Baltimore: Johns Hopkins University Press, 2009.
MLA引文Bristol, Douglas Walter. Knights of the Razor: Black Barbers in Slavery and Freedom. Johns Hopkins University Press, 2009.
警告：这些引文格式不一定是100％准确.