Cita APA (7th ed.)
Szulc, T. (1995). Pope John Paul II.: The biography. Scribner.
Cita Chicago (17th ed.)
Szulc, Tad. Pope John Paul II.: The Biography. New York: Scribner, 1995.
Cita MLA (9th ed.)
Szulc, Tad. Pope John Paul II.: The Biography. Scribner, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.