APA (7th ed.) Citation

Cowell, F. R. (1962). Cicero and the Roman Republic. Penguin Books.

Chicago Style (17th ed.) Citation

Cowell, F. R. Cicero and the Roman Republic. [Hammondsworth, Middlesex]: Penguin Books, 1962.

MLA (9th ed.) Citation

Cowell, F. R. Cicero and the Roman Republic. Penguin Books, 1962.