APA (7th ed.) Citation

Goscinny, R., & Uderzo, A. (2004). An Asterix adventure: Asterix and Cleopatra. Orion Books Ltd.

Chicago Style (17th ed.) Citation

Goscinny, Rene, and Albert Uderzo. An Asterix Adventure: Asterix and Cleopatra. London: Orion Books Ltd, 2004.

MLA (9th ed.) Citation

Goscinny, Rene, and Albert Uderzo. An Asterix Adventure: Asterix and Cleopatra. Orion Books Ltd, 2004.