Citazione APA

John XXIII, P. (1965). Encyclicals of Pope John XXIII. National Catholic Welfare Conference.

Stile di citazione Chicago

John XXIII, Pope. Encyclicals of Pope John XXIII. Washington: National Catholic Welfare Conference, 1965.

Citazione MLA

John XXIII, Pope. Encyclicals of Pope John XXIII. National Catholic Welfare Conference, 1965.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.