APA (7th ed.) Citation

Brondsted, J. (1965). The vikings. Penguin Books.

Chicago Style (17th ed.) Citation

Brondsted, Johannes. The Vikings. Londres: Penguin Books, 1965.

MLA (9th ed.) Citation

Brondsted, Johannes. The Vikings. Penguin Books, 1965.

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