APA (7th ed.) Citation

Forte, A., Oram, R. D., & Pedersen, F. (2005). Viking empires (1. publ., repr.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Forte, Angelo, Richard D. Oram, and Frederik Pedersen. Viking Empires. 1. publ., repr. Cambridge [u.a.]: Cambridge Univ. Press, 2005.

MLA (9th ed.) Citation

Forte, Angelo, et al. Viking Empires. 1. publ., repr. Cambridge Univ. Press, 2005.