Ian, W. a. R., & Illustrated by Adrian Reynolds. Harry and the Dinosaurs United. Penguin group ltd.
Chicago Style (17th ed.) CitationIan, Whybrow and Reynolds, and Illustrated by Adrian Reynolds. Harry and the Dinosaurs United. London: Penguin group ltd.
MLA (9th ed.) CitationIan, Whybrow and Reynolds, and Illustrated by Adrian Reynolds. Harry and the Dinosaurs United. Penguin group ltd.
Warning: These citations may not always be 100% accurate.