APA (7th ed.) Citation

Ostrogorsky, G. (1980). History of the Byzantine state. Basil Blackwell.

Chicago Style (17th ed.) Citation

Ostrogorsky, George. History of the Byzantine State. Basil Blackwell, 1980.

MLA (9th ed.) Citation

Ostrogorsky, George. History of the Byzantine State. Basil Blackwell, 1980.

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