APA (7th ed.) Citation

Thompson, E. A. (1948). A history of Attila and the Huns. Clarendon press.

Chicago Style (17th ed.) Citation

Thompson, E. A. A History of Attila and the Huns. Oxford: Clarendon press, 1948.

MLA (9th ed.) Citation

Thompson, E. A. A History of Attila and the Huns. Clarendon press, 1948.