APA (7th ed.) Citation

Wells, P. S. (2008). Barbarians to angels: The Dark Ages reconsidered (1. ed.). W.W. Norton.

Chicago Style (17th ed.) Citation

Wells, Peter S. Barbarians to Angels: The Dark Ages Reconsidered. 1. ed. New York: W.W. Norton, 2008.

MLA (9th ed.) Citation

Wells, Peter S. Barbarians to Angels: The Dark Ages Reconsidered. 1. ed. W.W. Norton, 2008.