APA (7th ed.) Citation

Harpur, J. (2005). The crusades: The two hundred years war ; the clash between the cross and the crescent in the Middle East 1096 - 1291. Carlton.

Chicago Style (17th ed.) Citation

Harpur, James. The Crusades: The Two Hundred Years War ; the Clash Between the Cross and the Crescent in the Middle East 1096 - 1291. London: Carlton, 2005.

MLA (9th ed.) Citation

Harpur, James. The Crusades: The Two Hundred Years War ; the Clash Between the Cross and the Crescent in the Middle East 1096 - 1291. Carlton, 2005.