APA (7th ed.) Citation

Brøndsted, J. (1976). The vikings. Penguin Books.

Chicago Style (17th ed.) Citation

Brøndsted, Johannes. The Vikings. Harmondsworth: Penguin Books, 1976.

MLA (9th ed.) Citation

Brøndsted, Johannes. The Vikings. Penguin Books, 1976.

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