O'Callaghan, J. F., & Herrero Quirós, C. (1989). Las cortes de Castilla y León, 1188-1350. Ambito [etc.].
Chicago Style (17th ed.) CitationO'Callaghan, Joseph F., and Carlos Herrero Quirós. Las Cortes De Castilla Y León, 1188-1350. Valladolid: Ambito [etc.], 1989.
MLA (9th ed.) CitationO'Callaghan, Joseph F., and Carlos Herrero Quirós. Las Cortes De Castilla Y León, 1188-1350. Ambito [etc.], 1989.
Warning: These citations may not always be 100% accurate.