APA
Todd V. E. a. H. H., . (1977). The years before school : guiding preschool children , 3rd ed. Newyork: Macmillan Publishing Co.
Chicago
Todd Vivian Edmiston and Heffernan Helen, . 1977. The years before school : guiding preschool children , 3rd ed. Newyork: Macmillan Publishing Co.
Harvard
Todd V. E. a. H. H., . (1977). The years before school : guiding preschool children , 3rd ed. Newyork: Macmillan Publishing Co.
MLA
Todd Vivian Edmiston and Heffernan Helen, . The years before school : guiding preschool children , 3rd ed. Newyork: Macmillan Publishing Co. 1977.