Roberts, J. W. (1998). City of Sokrates: An introduction to classical Athens (2nd ed.). Routledge.
芝加哥风格引文Roberts, J. W. City of Sokrates: An Introduction to Classical Athens. 2nd ed. London ; New York: Routledge, 1998.
MLA引文Roberts, J. W. City of Sokrates: An Introduction to Classical Athens. 2nd ed. Routledge, 1998.
警告：这些引文格式不一定是100％准确.