Posner, R. A. (2006). Frontiers Of Legal Theory. Universal Law Publishing.
芝加哥风格引文Posner, Richard A. Frontiers Of Legal Theory. Delhi: Universal Law Publishing, 2006.
MLA引文Posner, Richard A. Frontiers Of Legal Theory. Universal Law Publishing, 2006.
警告：这些引文格式不一定是100％准确.