APA (7th ed.) Citation

Pratt, L., & McKenna, T. (2007). Celts. Usborne Publishing Ltd..

Chicago Style (17th ed.) Citation

Pratt, Leonie, and Terry McKenna. Celts. London: Usborne Publishing Ltd., 2007.

MLA (9th ed.) Citation

Pratt, Leonie, and Terry McKenna. Celts. Usborne Publishing Ltd., 2007.

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