APA (7th ed.) Citation

Barton, S. (1997). The aristocracy in twelfth-century Leon and Castile. University Press.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Barton, Simon. The Aristocracy in Twelfth-century Leon and Castile. University Press, 1997.

Warning: These citations may not always be 100% accurate.