Cita APA (7a ed.)

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.