Cita APA

London, J., & Remkiewicz, F. (2003). Froggy's baby sister. Viking.

Citación estilo Chicago

London, Jonathan, and Frank Remkiewicz. Froggy's Baby Sister. New York, N.Y.: Viking, 2003.

Cita MLA

London, Jonathan, and Frank Remkiewicz. Froggy's Baby Sister. Viking, 2003.