APA (7th ed.) Citation

Ilg, F. L., Ames, L. B., & Baker, S. M. (1981). Child behavior: From the Gesell Institute of Human Development (Rev. ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Ilg, Frances L., Louise Bates Ames, and Sidney M. Baker. Child Behavior: From the Gesell Institute of Human Development. Rev. ed. New York, N.Y.: Harper & Row, 1981.

MLA (9th ed.) Citation

Ilg, Frances L., et al. Child Behavior: From the Gesell Institute of Human Development. Rev. ed. Harper & Row, 1981.