APA (7th ed.) Citation

Goscinny, Uderzo, Bell, A., & Hockridge, D. (1977). Asterix and the chieftain's shield. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Goscinny, Uderzo, Anthea Bell, and Derek Hockridge. Asterix and the Chieftain's Shield. London: Hodder and Stoughton, 1977.

MLA (9th ed.) Citation

Goscinny, et al. Asterix and the Chieftain's Shield. Hodder and Stoughton, 1977.