APA (7th ed.) Citation

Line, P. (2015). The Vikings and their enemies: Warfare in Northern Europe, 750-1100 (First Skyhorse Publishing edition.). Skyhorse Publishing.

Chicago Style (17th ed.) Citation

Line, Philip. The Vikings and Their Enemies: Warfare in Northern Europe, 750-1100. First Skyhorse Publishing edition. New York, NY: Skyhorse Publishing, 2015.

MLA (8th ed.) Citation

Line, Philip. The Vikings and Their Enemies: Warfare in Northern Europe, 750-1100. First Skyhorse Publishing edition. Skyhorse Publishing, 2015.

Warning: These citations may not always be 100% accurate.