APA (7th ed.) Citation

R. Goscinny, A. U. (1989). Humpá-pá. Meribérica-Liber.

Chicago Style (17th ed.) Citation

R. Goscinny, A. Uderzo. Humpá-pá. Meribérica-Liber, 1989.

MLA (8th ed.) Citation

R. Goscinny, A. Uderzo. Humpá-pá. Meribérica-Liber, 1989.

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