APA (7th ed.) Citation

Dahl, R., Blake, Q., & Barbadillo Gómez, P. Matilda.

Chicago Style (17th ed.) Citation

Dahl, Roald, Quentin Blake, and Pedro Barbadillo Gómez. Matilda.

MLA (9th ed.) Citation

Dahl, Roald, et al. Matilda.

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