APA (7th ed.) Citation

Nicolle, D. (1992). Romano-Byzantine armies 4th-9th centuries. Osprey.

Chicago Style (17th ed.) Citation

Nicolle, David. Romano-Byzantine Armies 4th-9th Centuries. London: Osprey, 1992.

MLA (9th ed.) Citation

Nicolle, David. Romano-Byzantine Armies 4th-9th Centuries. Osprey, 1992.

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