APA (7th ed.) Citation

Morris & Goscinny, R. (1993). Billy the Kid. Meribérica/Liber.

Chicago Style (17th ed.) Citation

Morris and R. Goscinny. Billy the Kid. Meribérica/Liber, 1993.

MLA (8th ed.) Citation

Morris and R. Goscinny. Billy the Kid. Meribérica/Liber, 1993.

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