Cita APA (7a ed.)

Barton, S. (1997). The Aristocracy in twelfth-century León and Castile. Cambridge University.

Cita Chicago Style (17a ed.)

Barton, Simon. The Aristocracy in Twelfth-century León and Castile. Cambridge: Cambridge University, 1997.

Cita MLA (9a ed.)

Barton, Simon. The Aristocracy in Twelfth-century León and Castile. Cambridge University, 1997.