APA (7th ed.) Citation

Hernandez, G., Hernandez, J., & Hernández, M. (1989). Duck feet. Fantagraphics Books.

Chicago Style (17th ed.) Citation

Hernandez, Gilbert, Jaime Hernandez, and Mario Hernández. Duck Feet. Seattle: Fantagraphics Books, 1989.

MLA (9th ed.) Citation

Hernandez, Gilbert, et al. Duck Feet. Fantagraphics Books, 1989.