Cita APA (7a ed.)

D'Amato, R., & Ruggeri, R. (2017). Roman Army units in the Eastern provinces: 1, 31 BC-AD 195 (1st published in Great Britain.). Osprey.

Cita Chicago Style (17a ed.)

D'Amato, Raffaele, y Raffaele Ruggeri. Roman Army Units in the Eastern Provinces: 1, 31 BC-AD 195. 1st published in Great Britain. Oxford: Osprey, 2017.

Cita MLA (9a ed.)

D'Amato, Raffaele, y Raffaele Ruggeri. Roman Army Units in the Eastern Provinces: 1, 31 BC-AD 195. 1st published in Great Britain. Osprey, 2017.