Cita APA (7a ed.)

O'Callaghan, J. F., & Todesca, J. J. (2015). The emergence of León-Castile, c. 1065-1500: Essays presented to J.F. O'Callaghan. Ashgate.

Cita Chicago Style (17a ed.)

O'Callaghan, Joseph F., y James J. Todesca. The Emergence of León-Castile, C. 1065-1500: Essays Presented to J.F. O'Callaghan. Farnham [etc.]: Ashgate, 2015.

Cita MLA (9a ed.)

O'Callaghan, Joseph F., y James J. Todesca. The Emergence of León-Castile, C. 1065-1500: Essays Presented to J.F. O'Callaghan. Ashgate, 2015.