APA (7th ed.) Citation

Cowan, R., & Ó'Brógáin, S. (2016). Milvian Bridge, AD 312: Constantine's battle for empire and faith (1st published in Great Britain.). Osprey.

Chicago Style (17th ed.) Citation

Cowan, Ross, and Seán Ó'Brógáin. Milvian Bridge, AD 312: Constantine's Battle for Empire and Faith. 1st published in Great Britain. Oxford: Osprey, 2016.

MLA (9th ed.) Citation

Cowan, Ross, and Seán Ó'Brógáin. Milvian Bridge, AD 312: Constantine's Battle for Empire and Faith. 1st published in Great Britain. Osprey, 2016.

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