Cita APA (7th ed.)
Setton, K. M. (1969). The Age of chivalry. National Geographic Society.
Cita Chicago (17th ed.)
Setton, Kenneth Meyer. The Age of Chivalry. Washington: National Geographic Society, 1969.
Cita MLA (9th ed.)
Setton, Kenneth Meyer. The Age of Chivalry. National Geographic Society, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.