APA (7th ed.) Citation

Aird, W. M. (2008). Robert Curthose, Duke of Normandy: C. 1050-1134. Boydell Press.

Chicago Style (17th ed.) Citation

Aird, William M. Robert Curthose, Duke of Normandy: C. 1050-1134. Woodbridge UK: Boydell Press, 2008.

MLA (9th ed.) Citation

Aird, William M. Robert Curthose, Duke of Normandy: C. 1050-1134. Boydell Press, 2008.

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