Gilpin, P. J., & Gasman, M. (2003). Charles S. Johnson: Leadership beyond the veil in the age of Jim Crow. State University of New York Press.
芝加哥风格引文Gilpin, Patrick J., 与 Marybeth Gasman. Charles S. Johnson: Leadership Beyond the Veil in the Age of Jim Crow. Albany: State University of New York Press, 2003.
MLA引文Gilpin, Patrick J., 与 Marybeth Gasman. Charles S. Johnson: Leadership Beyond the Veil in the Age of Jim Crow. State University of New York Press, 2003.
警告：这些引文格式不一定是100％准确.