APA (7th ed.) Citation

Horwitz, E. L., & Heinly, J. (1971). The strange story of the frog who became a prince. Delacorte Press.

Chicago Style (17th ed.) Citation

Horwitz, Elinor Lander, and John Heinly. The Strange Story of the Frog Who Became a Prince. New York: Delacorte Press, 1971.

MLA (9th ed.) Citation

Horwitz, Elinor Lander, and John Heinly. The Strange Story of the Frog Who Became a Prince. Delacorte Press, 1971.