APA (7th ed.) Citation

Walliams, D., & Blake, i. Q. (2017). Sr. Pivete. Porto Editora.

Chicago Style (17th ed.) Citation

Walliams, David, and il. Quentin Blake. Sr. Pivete. Porto Editora, 2017.

MLA (8th ed.) Citation

Walliams, David, and il. Quentin Blake. Sr. Pivete. Porto Editora, 2017.

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