Sitton, T., & Conrad, J. H. (2005). Freedom colonies: Independent Black Texans in the time of Jim Crow. University of Texas Press.
芝加哥风格引文Sitton, Thad, 与 James H. Conrad. Freedom Colonies: Independent Black Texans in the Time of Jim Crow. Austin: University of Texas Press, 2005.
MLA引文Sitton, Thad, 与 James H. Conrad. Freedom Colonies: Independent Black Texans in the Time of Jim Crow. University of Texas Press, 2005.
警告：这些引文格式不一定是100％准确.