APA (7th ed.) Citation

Beastly Boys (Writers' group) & Duddle, J. (2011). The big beast sale. Simon & Schuster Children's.

Chicago Style (17th ed.) Citation

Beastly Boys (Writers' group) and Jonny Duddle. The Big Beast Sale. london: Simon & Schuster Children's, 2011.

MLA (8th ed.) Citation

Beastly Boys (Writers' group) and Jonny Duddle. The Big Beast Sale. Simon & Schuster Children's, 2011.