APA (7th ed.) Citation

Amantos, K. I., Johnstone, K., & Trypanis, C. (1969). Prolegomena to the history of the Byzantine Empire. Argonaut.

Chicago Style (17th ed.) Citation

Amantos, Konstantinos Ioannou, Kenneth Johnstone, and Constantine Trypanis. Prolegomena to the History of the Byzantine Empire. Chicago: Argonaut, 1969.

MLA (9th ed.) Citation

Amantos, Konstantinos Ioannou, et al. Prolegomena to the History of the Byzantine Empire. Argonaut, 1969.