Wernick, R. (1974). The family. Time-Life Books.
Cita Chicago (17th ed.)Wernick, Robert. The Family. New York: Time-Life Books, 1974.
Cita MLA (9th ed.)Wernick, Robert. The Family. Time-Life Books, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.