Kelly, C. (2006). The Roman Empire: A very short introduction. Oxford University Press.
芝加哥风格引文Kelly, Christopher. The Roman Empire: A Very Short Introduction. Oxford; New York: Oxford University Press, 2006.
MLA引文Kelly, Christopher. The Roman Empire: A Very Short Introduction. Oxford University Press, 2006.
警告：这些引文格式不一定是100％准确.