APA (7th ed.) Citation

Simkins, M. (1974). The Roman army from Caesar to Trajan. Osprey Publishing.

Chicago Style (17th ed.) Citation

Simkins, Michael. The Roman Army from Caesar to Trajan. London: Osprey Publishing, 1974.

MLA (9th ed.) Citation

Simkins, Michael. The Roman Army from Caesar to Trajan. Osprey Publishing, 1974.

Warning: These citations may not always be 100% accurate.