Nichols, R. F. (1967). The disruption of American democracy. Free Press.
芝加哥风格引文Nichols, Roy Franklin. The Disruption of American Democracy. N.Y.: Free Press, 1967.
MLA引文Nichols, Roy Franklin. The Disruption of American Democracy. Free Press, 1967.
警告：这些引文格式不一定是100％准确.