APA (7th ed.) Citation

De Breffny, B. (1982). Irish family names: Arms, origins, and locations. W.W. Norton.

Chicago Style (17th ed.) Citation

De Breffny, Brian. Irish Family Names: Arms, Origins, and Locations. New York: W.W. Norton, 1982.

MLA (9th ed.) Citation

De Breffny, Brian. Irish Family Names: Arms, Origins, and Locations. W.W. Norton, 1982.