APA (7th ed.) Citation

Nicolle, D. (1984). The age of Charlemagne: Warfare in Western Europe 750-1000 AD. Osprey.

Chicago Style (17th ed.) Citation

Nicolle, David. The Age of Charlemagne: Warfare in Western Europe 750-1000 AD. London: Osprey, 1984.

MLA (9th ed.) Citation

Nicolle, David. The Age of Charlemagne: Warfare in Western Europe 750-1000 AD. Osprey, 1984.

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