APA (7th ed.) Citation

Todd, V. E., & Heffernan, H. (1977). The years before school: Guiding preschool children (3.ed.). Macmillan.

Chicago Style (17th ed.) Citation

Todd, Vivian E., and Helen Heffernan. The Years Before School: Guiding Preschool Children. 3.ed. New York: Macmillan, 1977.

MLA (9th ed.) Citation

Todd, Vivian E., and Helen Heffernan. The Years Before School: Guiding Preschool Children. 3.ed. Macmillan, 1977.