Cita APA (7a ed.)
Gies, F. (1984). The knight in history. Harper and Row Publishers.
Cita Chicago Style (17a ed.)
Gies, Frances. The Knight in History. New York: Harper and Row Publishers, 1984.
Cita MLA (9a ed.)
Gies, Frances. The Knight in History. Harper and Row Publishers, 1984.
Precaución: Estas citas no son 100% exactas.