APA (7th ed.) Citation

Harpur, J. (2008). The crusades: The two hundred years war: the clash between the cross and the crescent in the Middle East 1096 - 1291 (North American ed. 1. publ.). Rosen Publ.

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. North American ed. 1. publ. New York: Rosen Publ, 2008.

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. North American ed. 1. publ. Rosen Publ, 2008.