APA (7th ed.) Citation

Campbell, B. (1994). The Roman army, 31 BC - AD 337: A sourcebook (1. publ.). Routledge.

Chicago Style (17th ed.) Citation

Campbell, Brian. The Roman Army, 31 BC - AD 337: A Sourcebook. 1. publ. London [u.a.]: Routledge, 1994.

MLA (8th ed.) Citation

Campbell, Brian. The Roman Army, 31 BC - AD 337: A Sourcebook. 1. publ. Routledge, 1994.

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