Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.