APA (7th ed.) Citation

Oikonomides, N. (1992). Byzantium from the ninth century to the fourth crusade: Studies, texts, monuments. Variorum.

Chicago Style (17th ed.) Citation

Oikonomides, Nicolas. Byzantium from the Ninth Century to the Fourth Crusade: Studies, Texts, Monuments. Aldershot: Variorum, 1992.

MLA (9th ed.) Citation

Oikonomides, Nicolas. Byzantium from the Ninth Century to the Fourth Crusade: Studies, Texts, Monuments. Variorum, 1992.