Gutman, D., & Paillot, J. (2012). Mayor Hubble is in trouble! (First edition.). HarperCollinsPublisher.
Cita Chicago Style (17a ed.)Gutman, Dan, y Jim Paillot. Mayor Hubble Is in Trouble! First edition. New York: HarperCollinsPublisher, 2012.
Cita MLA (8a ed.)Gutman, Dan, y Jim Paillot. Mayor Hubble Is in Trouble! First edition. HarperCollinsPublisher, 2012.
Precaución: Estas citas no son 100% exactas.