APA (7th ed.) Citation

Yale University. Clinic of Child Development, Gesell, A., Halverson, H. M., & Amatruda, C. S. (1940). The first five years of life: A guide to the study of the preschool child (13th ed.). Harper.

Chicago Style (17th ed.) Citation

Yale University. Clinic of Child Development, Arnold Gesell, Henry Marc Halverson, and Catherine S. Amatruda. The First Five Years of Life: A Guide to the Study of the Preschool Child. 13th ed. New York: Harper, 1940.

MLA (9th ed.) Citation

Yale University. Clinic of Child Development, et al. The First Five Years of Life: A Guide to the Study of the Preschool Child. 13th ed. Harper, 1940.