APA (7th ed.) Citation

Lawrence, T. E. (1990). Crusades castles (New ed., repr.). Clarendon Press.

Chicago Style (17th ed.) Citation

Lawrence, Thomas E. Crusades Castles. New ed., repr. Oxford: Clarendon Press, 1990.

MLA (8th ed.) Citation

Lawrence, Thomas E. Crusades Castles. New ed., repr. Clarendon Press, 1990.

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