Tyerman, C. (2017). How to plan a crusade: Religious war in the high middle ages (First Pegasus Books hardcover edition.). Pegasus Books.
Style de citation Chicago (17e éd.)Tyerman, Christopher. How to Plan a Crusade: Religious War in the High Middle Ages. First Pegasus Books hardcover edition. New York: Pegasus Books, 2017.
Style de citation MLA (8e éd.)Tyerman, Christopher. How to Plan a Crusade: Religious War in the High Middle Ages. First Pegasus Books hardcover edition. Pegasus Books, 2017.
Attention : ces citations peuvent ne pas être correctes à 100%.