APA (7th ed.) Citation

Weir, A. (2021). Queens of the crusades: England's medieval queens (First US edition.). Ballantine Books.

Chicago Style (17th ed.) Citation

Weir, Alison. Queens of the Crusades: England's Medieval Queens. First US edition. New York: Ballantine Books, 2021.

MLA (9th ed.) Citation

Weir, Alison. Queens of the Crusades: England's Medieval Queens. First US edition. Ballantine Books, 2021.