APA (7th ed.) Citation

Casiday, A., & Norris, F. W. (2007). Constantine to c. 600. Cambridge University Press.

Chicago Style (17th ed.) Citation

Casiday, Augustine, and Frederick W. Norris. Constantine to C. 600. Cambridge: Cambridge University Press, 2007.

MLA (9th ed.) Citation

Casiday, Augustine, and Frederick W. Norris. Constantine to C. 600. Cambridge University Press, 2007.