APA (7th ed.) Citation

Duffy, S. (1997). Ireland in the Middle Ages / Sean Duffy. Macmillan.

Chicago Style (17th ed.) Citation

Duffy, Sean. Ireland in the Middle Ages / Sean Duffy. Basingstoke: Macmillan, 1997.

MLA (9th ed.) Citation

Duffy, Sean. Ireland in the Middle Ages / Sean Duffy. Macmillan, 1997.

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