APA (7th ed.) Citation

Keen, M. (1973). England in the later Middle Ages : a political history / (by) M.H. Keen: A political history. Methuen.

Chicago Style (17th ed.) Citation

Keen, Maurice. England in the Later Middle Ages : A Political History / (by) M.H. Keen: A Political History. London: Methuen, 1973.

MLA (9th ed.) Citation

Keen, Maurice. England in the Later Middle Ages : A Political History / (by) M.H. Keen: A Political History. Methuen, 1973.

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