APA (7th ed.) Citation

Goscinny, R. &. U. (2006). Asterix and the vikings: The book of the film. Orion Books.

Chicago Style (17th ed.) Citation

Goscinny, Rene & Uderzo. Asterix and the Vikings: The Book of the Film. London: Orion Books, 2006.

MLA (9th ed.) Citation

Goscinny, Rene & Uderzo. Asterix and the Vikings: The Book of the Film. Orion Books, 2006.