Riley-Smith, J. S. C., & Throop, S. A. (2023). The Crusades: A history (4th ed.). Bloomsbury Publishing.
Chicago Style (17th ed.) CitationRiley-Smith, Jonathan Simon Christopher, and Susanna A. Throop. The Crusades: A History. 4th ed. London [etc.]: Bloomsbury Publishing, 2023.
MLA (9th ed.) CitationRiley-Smith, Jonathan Simon Christopher, and Susanna A. Throop. The Crusades: A History. 4th ed. Bloomsbury Publishing, 2023.
Warning: These citations may not always be 100% accurate.