APA (7th ed.) Citation
Tyerman, C. (2011). The debate on the crusades. Manchester University Press.
Chicago Style (17th ed.) Citation
Tyerman, Christopher. The Debate on the Crusades. Manchester, England ; New York, New York: Manchester University Press, 2011.
MLA (9th ed.) Citation
Tyerman, Christopher. The Debate on the Crusades. Manchester University Press, 2011.
Warning: These citations may not always be 100% accurate.