APA (7th ed.) Citation

Tyerman, C. (2017). How to plan a crusade: Religious war in the high middle ages (First Pegasus Books hardcover edition.). Pegasus Books.

Chicago Style (17th ed.) Citation

Tyerman, Christopher. How to Plan a Crusade: Religious War in the High Middle Ages. First Pegasus Books hardcover edition. New York: Pegasus Books, 2017.

MLA (8th ed.) Citation

Tyerman, Christopher. How to Plan a Crusade: Religious War in the High Middle Ages. First Pegasus Books hardcover edition. Pegasus Books, 2017.

Warning: These citations may not always be 100% accurate.