Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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