Cita APA (7a ed.)

Gantos, J., & Rubel, N. (2009). The nine lives of Rotten Ralph. Houghton Mifflin Books for Children.

Cita Chicago Style (17a ed.)

Gantos, Jack, y Nicole Rubel. The Nine Lives of Rotten Ralph. Boston: Houghton Mifflin Books for Children, 2009.

Cita MLA (8a ed.)

Gantos, Jack, y Nicole Rubel. The Nine Lives of Rotten Ralph. Houghton Mifflin Books for Children, 2009.