APA (7th ed.) Citation

Creighton, O. H. (2012). Early European castles: Aristocracy and authority, AD 800-1200. Bristol Classical Press.

Chicago Style (17th ed.) Citation

Creighton, O. H. Early European Castles: Aristocracy and Authority, AD 800-1200. London: Bristol Classical Press, 2012.

MLA (9th ed.) Citation

Creighton, O. H. Early European Castles: Aristocracy and Authority, AD 800-1200. Bristol Classical Press, 2012.

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