Firth, C. (1953). Oliver Cromwell: And the rule of the puritans in England. Oxford University press.
Citazione stile Chigago Style (17a edizione)Firth, Charles. Oliver Cromwell: And the Rule of the Puritans in England. London: Oxford University press, 1953.
Citatione MLA (9a ed.)Firth, Charles. Oliver Cromwell: And the Rule of the Puritans in England. Oxford University press, 1953.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.