Witcover, J. (1977). Marathon: The pursuit of the presidency, 1972-1976. Viking.
Cita Chicago (17th ed.)Witcover, Jules. Marathon: The Pursuit of the Presidency, 1972-1976. New York: Viking, 1977.
Cita MLA (9th ed.)Witcover, Jules. Marathon: The Pursuit of the Presidency, 1972-1976. Viking, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.