APA (7th ed.) Citation

Housley, N. (2006). Contesting the Crusades. Blackwell.

Chicago Style (17th ed.) Citation

Housley, Norman. Contesting the Crusades. Malden, MA ; Oxford: Blackwell, 2006.

MLA (9th ed.) Citation

Housley, Norman. Contesting the Crusades. Blackwell, 2006.