Waller, R. J. (1992). The bridges of Madison County. Warner Books.
Cita Chicago (17th ed.)Waller, Robert James. The Bridges of Madison County. New York, NY: Warner Books, 1992.
Cita MLA (9th ed.)Waller, Robert James. The Bridges of Madison County. Warner Books, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.