APA (7th ed.) Citation

MacKillop, J. (2006). Myths and legends of the Celts. Penguin.

Chicago Style (17th ed.) Citation

MacKillop, James. Myths and Legends of the Celts. London: Penguin, 2006.

MLA (9th ed.) Citation

MacKillop, James. Myths and Legends of the Celts. Penguin, 2006.

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