APA (7th ed.) Citation

Mango, C. A. (1980). Byzantium, the empire of New Rome. Scribner.

Chicago Style (17th ed.) Citation

Mango, Cyril A. Byzantium, the Empire of New Rome. New York: Scribner, 1980.

MLA (9th ed.) Citation

Mango, Cyril A. Byzantium, the Empire of New Rome. Scribner, 1980.