Liebert, R. M., & Sprafkin, J. (1988). The early window: Effects of television on children and youth (3rd ed.). Pergamon Press.
Chicago Style (17th ed.) CitationLiebert, Robert M., and Joyce Sprafkin. The Early Window: Effects of Television on Children and Youth. 3rd ed. New York [etc.]: Pergamon Press, 1988.
MLA (9th ed.) CitationLiebert, Robert M., and Joyce Sprafkin. The Early Window: Effects of Television on Children and Youth. 3rd ed. Pergamon Press, 1988.
Warning: These citations may not always be 100% accurate.