Cita APA (7th ed.)

Liebert, R. M. (1982). The early window: Effects of television on children and youth (2nd ed.). Pergamon Press.

Cita Chicago (17th ed.)

Liebert, Robert M. The Early Window: Effects of Television on Children and Youth. 2nd ed. New York: Pergamon Press, 1982.

Cita MLA (9th ed.)

Liebert, Robert M. The Early Window: Effects of Television on Children and Youth. 2nd ed. Pergamon Press, 1982.