London, J., & Remkiewicz, F. (2009). Froggy's best babysitter. Viking.
Cita Chicago (17th ed.)London, Jonathan, i Frank Remkiewicz. Froggy's Best Babysitter. New York: Viking, 2009.
Cita MLA (8th ed.)London, Jonathan, i Frank Remkiewicz. Froggy's Best Babysitter. Viking, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.