APA (7th ed.) Citation

Forte, A. D. M., Oram, R. D., & Pedersen, F. (2005). Viking empires. Cambridge University Press.

Chicago Style (17th ed.) Citation

Forte, A. D. M., Richard D. Oram, and Frederik Pedersen. Viking Empires. Cambridge, U.K. ; New York: Cambridge University Press, 2005.

MLA (9th ed.) Citation

Forte, A. D. M., et al. Viking Empires. Cambridge University Press, 2005.