APA (7th ed.) Citation

Eusebius Caesariensis 260-339, Cameron, A., & Hall, S. G. (1999). Life of Constantine. Clarendon Press.

Chicago Style (17th ed.) Citation

Eusebius Caesariensis 260-339, Averil Cameron, and Stuart George Hall. Life of Constantine. Oxford: Clarendon Press, 1999.

MLA (9th ed.) Citation

Eusebius Caesariensis 260-339, et al. Life of Constantine. Clarendon Press, 1999.