APA Style

Adler, D, A. (2004). Cam Jansen Mysteries #7 : The Mystery of the Circus Clown . New York, USA: Puffin Books.

MLA Style

Adler, David, A.. "Cam Jansen Mysteries #7 : The Mystery of the Circus Clown". New York, USA: Puffin Books, 2004. Printed Book.