John XXIII, P. (1963). A prodigy of celestial grace: Address of His Holiness Pope John XXIII, March 17, 1963. National Catholic Welfare Conference.
Stile di citazione ChicagoJohn XXIII, Pope. A Prodigy of Celestial Grace: Address of His Holiness Pope John XXIII, March 17, 1963. Washington, D.C.: National Catholic Welfare Conference, 1963.
Citazione MLAJohn XXIII, Pope. A Prodigy of Celestial Grace: Address of His Holiness Pope John XXIII, March 17, 1963. National Catholic Welfare Conference, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.