Euripides, Michie, J., & Leach, C. (1992). Helen. Oxford University Press.
芝加哥风格引文Euripides, James Michie, 与 Colin Leach. Helen. New York: Oxford University Press, 1992.
MLA引文Euripides, et al. Helen. Oxford University Press, 1992.
警告：这些引文格式不一定是100％准确.