APA (7th ed.) Citation

Gardner, D. B. (1973). Development in early childhood: The preschool years (2nd ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Gardner, David Bruce. Development in Early Childhood: The Preschool Years. 2nd ed. New York: Harper & Row, 1973.

MLA (9th ed.) Citation

Gardner, David Bruce. Development in Early Childhood: The Preschool Years. 2nd ed. Harper & Row, 1973.