Santayana, G., Wokeck, M. S., & Coleman, M. A. (2013). The life of reason, or, The phases of human progress (Critical ed.). MIT Press.
芝加哥风格引文Santayana, George, Marianne Sophia Wokeck, 与 Martin A. Coleman. The Life of Reason, or, The Phases of Human Progress. Critical ed. Cambridge, Mass.: MIT Press, 2013.
MLA引文Santayana, George, et al. The Life of Reason, or, The Phases of Human Progress. Critical ed. MIT Press, 2013.
警告：这些引文格式不一定是100％准确.