Lane, R. (1986). Roots of violence in Black Philadelphia, 1860 - 1900. Harvard Univ..
芝加哥风格引文Lane, Roger. Roots of Violence in Black Philadelphia, 1860 - 1900. Cambridge Massachussetts: Harvard Univ., 1986.
MLA引文Lane, Roger. Roots of Violence in Black Philadelphia, 1860 - 1900. Harvard Univ., 1986.
警告：这些引文格式不一定是100％准确.