Long, A. A. (1999). The Cambridge companion to early Greek philosophy. Cambridge University Press.
芝加哥风格引文Long, A. A. The Cambridge Companion to Early Greek Philosophy. New York: Cambridge University Press, 1999.
MLA引文Long, A. A. The Cambridge Companion to Early Greek Philosophy. Cambridge University Press, 1999.
警告：这些引文格式不一定是100％准确.
