Cita APA (7a ed.)

Hall, M., & Phillips, J. (2016). Caffaro, Genoa and the twelfth-century crusades. Routledge.

Cita Chicago Style (17a ed.)

Hall, Martin, y Jonathan Phillips. Caffaro, Genoa and the Twelfth-century Crusades. London, [England] ; New York: Routledge, 2016.

Cita MLA (9a ed.)

Hall, Martin, y Jonathan Phillips. Caffaro, Genoa and the Twelfth-century Crusades. Routledge, 2016.