Citazione APA

London, J., & Remkiewicz, F. (2009). Froggy's best babysitter. Viking.

Stile di citazione Chicago

London, Jonathan, e Frank Remkiewicz. Froggy's Best Babysitter. New York: Viking, 2009.

Citazione MLA

London, Jonathan, e Frank Remkiewicz. Froggy's Best Babysitter. Viking, 2009.