Gillard, J. T. (1937). The Negro Challenges: Christianity, Communism, Catholicism. Baltimore.
Chicago Style (17th ed.) CitationGillard, John Thomas. The Negro Challenges: Christianity, Communism, Catholicism. Baltimore, 1937.
MLA引文Gillard, John Thomas. The Negro Challenges: Christianity, Communism, Catholicism. Baltimore, 1937.
警告:这些引文格式不一定是100%准确.