APA (7th ed.) Citation

Riley-Smith, J. S. C. (2008). The crusades, christianity, and islam. Columbia University Press.

Chicago Style (17th ed.) Citation

Riley-Smith, Jonathan Simon Christopher. The Crusades, Christianity, and Islam. New York, NY [u.a.]: Columbia University Press, 2008.

MLA (8th ed.) Citation

Riley-Smith, Jonathan Simon Christopher. The Crusades, Christianity, and Islam. Columbia University Press, 2008.