APA (7th ed.) Citation

Konstam, A., & Dennis, P. (2008). British forts in the age of Arthur. Osprey.

Chicago Style (17th ed.) Citation

Konstam, Angus, and Peter Dennis. British Forts in the Age of Arthur. Oxford New York: Osprey, 2008.

MLA (9th ed.) Citation

Konstam, Angus, and Peter Dennis. British Forts in the Age of Arthur. Osprey, 2008.

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