APA (7th ed.) Citation

Helle, K. (2003). The Cambridge history of Scandinavia. Cambridge University Press.

Chicago Style (17th ed.) Citation

Helle, Knut. The Cambridge History of Scandinavia. Cambridge: Cambridge University Press, 2003.

MLA (9th ed.) Citation

Helle, Knut. The Cambridge History of Scandinavia. Cambridge University Press, 2003.