Medieval siege warfare

MLA

Gravett, Christopher, Christa Hook, and Richard Hook. Medieval Siege Warfare. London: Osprey, 1993.

APA

Gravett, C., Hook, C., & Hook, R. (1993). Medieval siege warfare. London: Osprey.

Chicago

Gravett, Christopher, Christa Hook, and Richard Hook. Medieval Siege Warfare. London: Osprey, 1993.