APA (7th ed.) Citation

Tyerman, C. (2004). Fighting for Christendom: Holy war and the crusades (1. publ.). Oxford University Press.

Chicago Style (17th ed.) Citation

Tyerman, Christopher. Fighting for Christendom: Holy War and the Crusades. 1. publ. Oxford [u.a.]: Oxford University Press, 2004.

MLA (8th ed.) Citation

Tyerman, Christopher. Fighting for Christendom: Holy War and the Crusades. 1. publ. Oxford University Press, 2004.