Popkin, R. H. (1999). The Columbia history of Western philosophy. Columbia University Press.
芝加哥风格引文Popkin, Richard H. The Columbia History of Western Philosophy. New York: Columbia University Press, 1999.
MLA引文Popkin, Richard H. The Columbia History of Western Philosophy. Columbia University Press, 1999.
警告：这些引文格式不一定是100％准确.