APA Style

Adler, D, A., Natti, S. (2007). Young Cam Jansen and the lions' lunch mystery . New York, USA: Puffin Books.

MLA Style

Adler, David, A.., Natti, Susanna. "Young Cam Jansen and the lions' lunch mystery". New York, USA: Puffin Books, 2007. Text.