Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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