APA (7th ed.) Citation

Pegg, M. G. (2008). A Most Holy War: The Albigensian Crusade and the Battle for Christendom.

Chicago Style (17th ed.) Citation

Pegg, Mark Gregory. A Most Holy War: The Albigensian Crusade and the Battle for Christendom. 2008.

MLA (9th ed.) Citation

Pegg, Mark Gregory. A Most Holy War: The Albigensian Crusade and the Battle for Christendom. 2008.

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