APA (7th ed.) Citation

Nicolle, D. (2006). The Third Crusade 1191: Richard the Lionheart, Saladin and the struggle for Jerusalem (1. publ.). Osprey.

Chicago Style (17th ed.) Citation

Nicolle, David. The Third Crusade 1191: Richard the Lionheart, Saladin and the Struggle for Jerusalem. 1. publ. Oxford [u.a.]: Osprey, 2006.

MLA (9th ed.) Citation

Nicolle, David. The Third Crusade 1191: Richard the Lionheart, Saladin and the Struggle for Jerusalem. 1. publ. Osprey, 2006.