APA (7th ed.) Citation

Stone, A. F. (2005). Gregory Antiochos on the crusade of 1179.

Chicago Style (17th ed.) Citation

Stone, Andrew F. Gregory Antiochos on the Crusade of 1179. 2005.

MLA (9th ed.) Citation

Stone, Andrew F. Gregory Antiochos on the Crusade of 1179. 2005.

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