Cita APA (7a ed.)

London, J., & Remkiewicz, F. (2011). Froggy builds a tree house. Viking.

Cita Chicago Style (17a ed.)

London, Jonathan, y Frank Remkiewicz. Froggy Builds a Tree House. New York: Viking, 2011.

Cita MLA (8a ed.)

London, Jonathan, y Frank Remkiewicz. Froggy Builds a Tree House. Viking, 2011.