APA (7th ed.) Citation

Evans, G. R. (1999). The thought of Gregory the Great. Cambridge University Press.

Chicago Style (17th ed.) Citation

Evans, G. R. The Thought of Gregory the Great. Cambridge: Cambridge University Press, 1999.

MLA (8th ed.) Citation

Evans, G. R. The Thought of Gregory the Great. Cambridge University Press, 1999.

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