APA (7th ed.) Citation

Hubert, H., & Dobie, M. (1996). The greatness and decline of the celts. Routledge.

Chicago Style (17th ed.) Citation

Hubert, Henri, and M.R Dobie. The Greatness and Decline of the Celts. London [etc.]: Routledge, 1996.

MLA (9th ed.) Citation

Hubert, Henri, and M.R Dobie. The Greatness and Decline of the Celts. Routledge, 1996.