APA (7th ed.) Citation

Ellis, P. B. (1998). Celt and Roman: The Celts of Italy. St. Martin's Press.

Chicago Style (17th ed.) Citation

Ellis, Peter Berresford. Celt and Roman: The Celts of Italy. New York: St. Martin's Press, 1998.

MLA (9th ed.) Citation

Ellis, Peter Berresford. Celt and Roman: The Celts of Italy. St. Martin's Press, 1998.