Cita APA (7a ed.)
Setton, K. M. (1969). The Age of chivalry. National Geographic Society.
Cita Chicago Style (17a ed.)
Setton, Kenneth Meyer. The Age of Chivalry. Washington: National Geographic Society, 1969.
Cita MLA (9a ed.)
Setton, Kenneth Meyer. The Age of Chivalry. National Geographic Society, 1969.
Precaución: Estas citas no son 100% exactas.