Citazione Stile APA (7a Edizione)

Zero to Three (Organization) & National Center for Clinical Infant Programs (U.S.). Zero to three. National Center for Clinical Infant Programs.

Citazione stile Chigago Style (17a edizione)

Zero to Three (Organization) e National Center for Clinical Infant Programs (U.S.). Zero to Three. Washington, D.C.: National Center for Clinical Infant Programs.

Citatione MLA (9a ed.)

Zero to Three (Organization) e National Center for Clinical Infant Programs (U.S.). Zero to Three. National Center for Clinical Infant Programs.