Cita APA (7th ed.)

Gutman, D., & Paillot, J. (2013). Dr. Nicholas is ridiculous! Harper.

Cita Chicago (17th ed.)

Gutman, Dan, i Jim Paillot. Dr. Nicholas Is Ridiculous! New York: Harper, 2013.

Cita MLA (8th ed.)

Gutman, Dan, i Jim Paillot. Dr. Nicholas Is Ridiculous! Harper, 2013.