APA (7th ed.) Citation

Shetelig, H. (1940). An introduction to the Viking history of Western Europe. Aschehoug.

Chicago Style (17th ed.) Citation

Shetelig, Haakon. An Introduction to the Viking History of Western Europe. Oslo: Aschehoug, 1940.

MLA (9th ed.) Citation

Shetelig, Haakon. An Introduction to the Viking History of Western Europe. Aschehoug, 1940.

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