Citazione Stile APA (7a Edizione)

Levine, M. (1992). Helping children: A social history. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Levine, Murray. Helping Children: A Social History. New York: Oxford University Press, 1992.

Citatione MLA (9a ed.)

Levine, Murray. Helping Children: A Social History. Oxford University Press, 1992.