Firth, C. H. S. (1953). Oliver Cromwell and the rule of the Puritans in England. Oxford University Press.
芝加哥风格引文Firth, Charles Harding Sir. Oliver Cromwell and the Rule of the Puritans in England. London: Oxford University Press, 1953.
MLA引文Firth, Charles Harding Sir. Oliver Cromwell and the Rule of the Puritans in England. Oxford University Press, 1953.
警告：这些引文格式不一定是100％准确.