Cita APA (7a ed.)
Riley-Smith, J. S. C. (2008). The crusades, Christianity, and Islam. Columbia University Press.
Cita Chicago Style (17a ed.)
Riley-Smith, Jonathan Simon Christopher. The Crusades, Christianity, and Islam. New York: Columbia University Press, 2008.
Cita MLA (9a ed.)
Riley-Smith, Jonathan Simon Christopher. The Crusades, Christianity, and Islam. Columbia University Press, 2008.
Precaución: Estas citas no son 100% exactas.