APA (7th ed.) Citation

Simkins, M. (1979). The Roman army from Hadrian to Constantine. Osprey.

Chicago Style (17th ed.) Citation

Simkins, Michael. The Roman Army from Hadrian to Constantine. London: Osprey, 1979.

MLA (9th ed.) Citation

Simkins, Michael. The Roman Army from Hadrian to Constantine. Osprey, 1979.

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