APA (7e ed.) Bronvermelding

Gutman, D., & Paillot, J. (2007). Mr. Louie is screwy! (1st Harper trophy ed.). HarperCollins.

Chicago (17e ed.) Bronvermelding

Gutman, Dan, en Jim Paillot. Mr. Louie Is Screwy! 1st Harper trophy ed. New York: HarperCollins, 2007.

MLA (8e ed.) Bronvermelding

Gutman, Dan, en Jim Paillot. Mr. Louie Is Screwy! 1st Harper trophy ed. HarperCollins, 2007.