Franklin

MLA

Campbell, J. B. The Roman Army, 31 Bc-ad 337 : a Sourcebook. London: New York , 1994.

APA

Campbell, J. B. (1994). The Roman army, 31 BC-AD 337 : a sourcebook. London: New York .

Chicago

Campbell, J. B. The Roman Army, 31 BC-AD 337: A Sourcebook. London: New York, 1994.