APA (7th ed.) Citation

Dahl's, R., & Black, Q. (2018). Roald Dahl's 123. Puffin Books.

Chicago Style (17th ed.) Citation

Dahl's, Roald, and Quentin Black. Roald Dahl's 123. UK: Puffin Books, 2018.

MLA (9th ed.) Citation

Dahl's, Roald, and Quentin Black. Roald Dahl's 123. Puffin Books, 2018.

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