APA (7th ed.) Citation

Rex, P. (2011). William the Conqueror: The bastard of Normandy (1. publ.). Amberley.

Chicago Style (17th ed.) Citation

Rex, Peter. William the Conqueror: The Bastard of Normandy. 1. publ. Stroud: Amberley, 2011.

MLA (9th ed.) Citation

Rex, Peter. William the Conqueror: The Bastard of Normandy. 1. publ. Amberley, 2011.

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