APA (7th ed.) Citation

Walliams, D., & Ross, T. (2019). THE WORLD'S WORST TEACHERS. HarperCollins Children's Books.

Chicago Style (17th ed.) Citation

Walliams, David, and Tony Ross. THE WORLD'S WORST TEACHERS. London: HarperCollins Children's Books, 2019.

MLA (9th ed.) Citation

Walliams, David, and Tony Ross. THE WORLD'S WORST TEACHERS. HarperCollins Children's Books, 2019.