APA (7th ed.) Citation

Mango, C. A. (1980). Byzantium: The empire of New Rome. Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Mango, Cyril A. Byzantium: The Empire of New Rome. London: Weidenfeld and Nicolson, 1980.

MLA (9th ed.) Citation

Mango, Cyril A. Byzantium: The Empire of New Rome. Weidenfeld and Nicolson, 1980.