APA (7th ed.) Citation

Harris, J. (2003). Byzantium and the crusades (1. publ.). Hambledon and London.

Chicago Style (17th ed.) Citation

Harris, Jonathan. Byzantium and the Crusades. 1. publ. London [u.a.]: Hambledon and London, 2003.

MLA (9th ed.) Citation

Harris, Jonathan. Byzantium and the Crusades. 1. publ. Hambledon and London, 2003.