APA (7th ed.) Citation

Nicolle, D. C., & Thompson, S. (2002). Medieval siege weapons 1: Western Europe, Ad 585-1385. Osprey.

Chicago Style (17th ed.) Citation

Nicolle, David C., and Sam Thompson. Medieval Siege Weapons 1: Western Europe, Ad 585-1385. Oxford: Osprey, 2002.

MLA (9th ed.) Citation

Nicolle, David C., and Sam Thompson. Medieval Siege Weapons 1: Western Europe, Ad 585-1385. Osprey, 2002.