Line, P. (2015). The Vikings and their enemies: Warfare in Northern Europe, 750-1100 (First Skyhorse Publishing edition.). Skyhorse Publishing.
Cita Chicago Style (17a ed.)Line, Philip. The Vikings and Their Enemies: Warfare in Northern Europe, 750-1100. First Skyhorse Publishing edition. New York, NY: Skyhorse Publishing, 2015.
Cita MLA (8a ed.)Line, Philip. The Vikings and Their Enemies: Warfare in Northern Europe, 750-1100. First Skyhorse Publishing edition. Skyhorse Publishing, 2015.
Precaución: Estas citas no son 100% exactas.