APA (7th ed.) Citation

Firth, J. B. Constantine the Great: The reorganization of the Empire and the triumph of the Church.

Chicago Style (17th ed.) Citation

Firth, John B. Constantine the Great: The Reorganization of the Empire and the Triumph of the Church.

MLA (9th ed.) Citation

Firth, John B. Constantine the Great: The Reorganization of the Empire and the Triumph of the Church.

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