Firth, C. (1958). Oliver Cromwell and the rule of the pruitons in England. Oxford University Press.
芝加哥风格引文Firth, Charles. Oliver Cromwell and the Rule of the Pruitons in England. London: Oxford University Press, 1958.
MLA引文Firth, Charles. Oliver Cromwell and the Rule of the Pruitons in England. Oxford University Press, 1958.
警告：这些引文格式不一定是100％准确.