Citazione Stile APA (7a Edizione)

Gardner, D. B. (1964). Development in early childhood: The preschool years. Harper & Row.

Citazione stile Chigago Style (17a edizione)

Gardner, David Bruce. Development in Early Childhood: The Preschool Years. New York: Harper & Row, 1964.

Citatione MLA (9a ed.)

Gardner, David Bruce. Development in Early Childhood: The Preschool Years. Harper & Row, 1964.