Harris, J. E. (1987). Africans and their history (Rev. ed.). New American Library.
芝加哥风格引文Harris, Joseph E. Africans and Their History. Rev. ed. New York: New American Library, 1987.
MLA引文Harris, Joseph E. Africans and Their History. Rev. ed. New American Library, 1987.
警告:这些引文格式不一定是100%准确.