Cicero, M. T., & Grant, M. (1969). Selected political speeches of Cicero. Penguin.
芝加哥风格引文Cicero, Marcus Tullius, 与 Michael Grant. Selected Political Speeches of Cicero. Harmondsworth: Penguin, 1969.
MLA引文Cicero, Marcus Tullius, 与 Michael Grant. Selected Political Speeches of Cicero. Penguin, 1969.
警告：这些引文格式不一定是100％准确.