APA (7th ed.) Citation

Ames, L. B., & Ilg, F. L. (1979). Your five-year-old: Sunny and serene. Delacorte Press.

Chicago Style (17th ed.) Citation

Ames, Louise Bates, and Frances L. Ilg. Your Five-year-old: Sunny and Serene. New York: Delacorte Press, 1979.

MLA (9th ed.) Citation

Ames, Louise Bates, and Frances L. Ilg. Your Five-year-old: Sunny and Serene. Delacorte Press, 1979.