Cita APA (7a ed.)

Sewanee Mediaeval Colloquium, Ridyard, S. J., & Phillip, J. (2004). The medieval crusade. Boydell Press.

Cita Chicago Style (17a ed.)

Sewanee Mediaeval Colloquium, Susan J. Ridyard, y Jonathan Phillip. The Medieval Crusade. Woodbridge, Suffolk ; Rochester, NY: Boydell Press, 2004.

Cita MLA (9a ed.)

Sewanee Mediaeval Colloquium, et al. The Medieval Crusade. Boydell Press, 2004.