Cita APA (7th ed.)
Frears, S., Slovo, S., Schliessler, T. A., Katz, V., Burwell, C., Plummer, C., . . . Begley, E. La pelea más difícil de Muhammad Ali =: Muhammad Ali's Greatest Fight.
Cita Chicago (17th ed.)
Frears, Stephen, Shawn Slovo, Tobias A. Schliessler, Virginia Katz, Carter Burwell, Christopher Plummer, Frank Langella, i Ed Begley. La Pelea Más Difícil De Muhammad Ali =: Muhammad Ali's Greatest Fight.
Cita MLA (9th ed.)
Frears, Stephen, et al. La Pelea Más Difícil De Muhammad Ali =: Muhammad Ali's Greatest Fight.
Atenció: Aquestes cites poden no estar 100% correctes.