Cita APA (7a ed.)

Gutman, D., & Paillot, J. (2009). Officer Spence makes no sense! HarperTrophy.

Cita Chicago Style (17a ed.)

Gutman, Dan, y Jim Paillot. Officer Spence Makes No Sense! New York: HarperTrophy, 2009.

Cita MLA (8a ed.)

Gutman, Dan, y Jim Paillot. Officer Spence Makes No Sense! HarperTrophy, 2009.