APA (7th ed.) Citation

Potter, D. S. (2013). Constantine the Emperor. Oxford University Press.

Chicago Style (17th ed.) Citation

Potter, D. S. Constantine the Emperor. New York: Oxford University Press, 2013.

MLA (9th ed.) Citation

Potter, D. S. Constantine the Emperor. Oxford University Press, 2013.

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