APA (7th ed.) Citation

Moorhead, J. (2005). Gregory the Great (1st published.). Routledge.

Chicago Style (17th ed.) Citation

Moorhead, John. Gregory the Great. 1st published. London ; New York: Routledge, 2005.

MLA (9th ed.) Citation

Moorhead, John. Gregory the Great. 1st published. Routledge, 2005.

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