Tyerman, C. (2017). How to plan a crusade: Religious war in the high middle ages (First Pegasus Books hardcover edition.). Pegasus Books.
Cita Chicago Style (17a ed.)Tyerman, Christopher. How to Plan a Crusade: Religious War in the High Middle Ages. First Pegasus Books hardcover edition. New York: Pegasus Books, 2017.
Cita MLA (8a ed.)Tyerman, Christopher. How to Plan a Crusade: Religious War in the High Middle Ages. First Pegasus Books hardcover edition. Pegasus Books, 2017.
Precaución: Estas citas no son 100% exactas.