Cita APA (7th ed.)

Barber, R. (1980). The reign of Chivalry. St.Martin's.

Cita Chicago (17th ed.)

Barber, Richard. The Reign of Chivalry. New York: St.Martin's, 1980.

Cita MLA (9th ed.)

Barber, Richard. The Reign of Chivalry. St.Martin's, 1980.