APA (7th ed.) Citation

Billings, M. (2006). The Crusades: The war against Islam 1096 - 1798 (1. publ.). Tempus.

Chicago Style (17th ed.) Citation

Billings, Malcolm. The Crusades: The War Against Islam 1096 - 1798. 1. publ. Stroud: Tempus, 2006.

MLA (9th ed.) Citation

Billings, Malcolm. The Crusades: The War Against Islam 1096 - 1798. 1. publ. Tempus, 2006.

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