APA (7th ed.) Citation

Adler, D. A., & Natti, S. (2014). Young Cam Jansen and the knock, knock mystery. Penguin Young Readers, an imprint of Penguin Group (USA) LLC.

Chicago Style (17th ed.) Citation

Adler, David A., and Susanna Natti. Young Cam Jansen and the Knock, Knock Mystery. New York, New York: Penguin Young Readers, an imprint of Penguin Group (USA) LLC, 2014.

MLA (8th ed.) Citation

Adler, David A., and Susanna Natti. Young Cam Jansen and the Knock, Knock Mystery. Penguin Young Readers, an imprint of Penguin Group (USA) LLC, 2014.

Warning: These citations may not always be 100% accurate.