APA (7th ed.) Citation

Poole, R. L. (1912). The Exchequer in the twelfth century. Clarendon press.

Chicago Style (17th ed.) Citation

Poole, Reginald Lane. The Exchequer in the Twelfth Century. Oxford: Clarendon press, 1912.

MLA (9th ed.) Citation

Poole, Reginald Lane. The Exchequer in the Twelfth Century. Clarendon press, 1912.