APA (7th ed.) Citation

Ashley, M. (1966). The greatness of Oliver Cromwell (2. print.).

Chicago Style (17th ed.) Citation

Ashley, Maurice. The Greatness of Oliver Cromwell. 2. print. New York, 1966.

MLA (9th ed.) Citation

Ashley, Maurice. The Greatness of Oliver Cromwell. 2. print. 1966.