Thomas, H. M. (1993). Vassals, heiresses, crusaders and thugs: The gentry of Angevin Yorkshire, 1154 - 1216. Univ. of Pennsylvania Press.
Chicago Style (17th ed.) CitationThomas, Hugh M. Vassals, Heiresses, Crusaders and Thugs: The Gentry of Angevin Yorkshire, 1154 - 1216. Philadelphia, Pa: Univ. of Pennsylvania Press, 1993.
MLA (9th ed.) CitationThomas, Hugh M. Vassals, Heiresses, Crusaders and Thugs: The Gentry of Angevin Yorkshire, 1154 - 1216. Univ. of Pennsylvania Press, 1993.
Warning: These citations may not always be 100% accurate.