APA (7th ed.) Citation

Warner, P. (2004). Sieges of the middle ages. Pen & Sword Military Classics.

Chicago Style (17th ed.) Citation

Warner, Philip. Sieges of the Middle Ages. South Yorkshire, England: Pen & Sword Military Classics, 2004.

MLA (9th ed.) Citation

Warner, Philip. Sieges of the Middle Ages. Pen & Sword Military Classics, 2004.