APA (7e ed.) Bronvermelding

Ellis, P. B. (2004). The Celts: A history (Rev. pbk. ed.). Carroll & Graf.

Chicago (17e ed.) Bronvermelding

Ellis, Peter Berresford. The Celts: A History. Rev. pbk. ed. New York: Carroll & Graf, 2004.

MLA (9e ed.) Bronvermelding

Ellis, Peter Berresford. The Celts: A History. Rev. pbk. ed. Carroll & Graf, 2004.