APA (7th ed.) Citation

Sumner, G. (1997). Roman Army: Wars of the empire (1st English ed.). Brassey's.

Chicago Style (17th ed.) Citation

Sumner, Graham. Roman Army: Wars of the Empire. 1st English ed. London ; Herndon, VA: Brassey's, 1997.

MLA (9th ed.) Citation

Sumner, Graham. Roman Army: Wars of the Empire. 1st English ed. Brassey's, 1997.

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