Smith, B. A. (2001). Unfree speech: The folly of campaign finance reform. Princeton University Press.
芝加哥风格引文Smith, Bradley A. Unfree Speech: The Folly of Campaign Finance Reform. Princeton, NJ: Princeton University Press, 2001.
MLA引文Smith, Bradley A. Unfree Speech: The Folly of Campaign Finance Reform. Princeton University Press, 2001.
警告：这些引文格式不一定是100％准确.