APA (7th ed.) Citation

Lille, R. -. J., Morris, J. C., & Riding, J. E. (1993). Byzantium and the Crusader States 1096-1204. Clarendon Press Oxford.

Chicago Style (17th ed.) Citation

Lille, Ralph - Johannes, J. C. Morris, and Jean E. Riding. Byzantium and the Crusader States 1096-1204. Oxford: Clarendon Press Oxford, 1993.

MLA (8th ed.) Citation

Lille, Ralph - Johannes, et al. Byzantium and the Crusader States 1096-1204. Clarendon Press Oxford, 1993.