APA (7th ed.) Citation

Nicolle, D. (2011). The Fourth Crusade: 1202 - 04 ; the betrayal of Byzantium (1. publ. in Great Britain.). Osprey Publ.

Chicago Style (17th ed.) Citation

Nicolle, David. The Fourth Crusade: 1202 - 04 ; the Betrayal of Byzantium. 1. publ. in Great Britain. Botley, Oxford, UK: Osprey Publ, 2011.

MLA (9th ed.) Citation

Nicolle, David. The Fourth Crusade: 1202 - 04 ; the Betrayal of Byzantium. 1. publ. in Great Britain. Osprey Publ, 2011.