APA (7th ed.) Citation

Riley-Smith, J. S. C. (1997). The Oxford illustrated history of the Crusades. Oxford University Press.

Chicago Style (17th ed.) Citation

Riley-Smith, Jonathan Simon Christopher. The Oxford Illustrated History of the Crusades. Oxford : New York: Oxford University Press, 1997.

MLA (8th ed.) Citation

Riley-Smith, Jonathan Simon Christopher. The Oxford Illustrated History of the Crusades. Oxford University Press, 1997.