APA (7th ed.) Citation

Muldoon, J. (2009). The North Atlantic frontier of medieval Europe: Vikings and Celts. Ashgate.

Chicago Style (17th ed.) Citation

Muldoon, James. The North Atlantic Frontier of Medieval Europe: Vikings and Celts. Farnham (Surrey): Ashgate, 2009.

MLA (9th ed.) Citation

Muldoon, James. The North Atlantic Frontier of Medieval Europe: Vikings and Celts. Ashgate, 2009.

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