Citazione APA

John XXIII, P. (1961). The Holy Father speaks to athletes. National Catholic Welfare Conference.

Stile di citazione Chicago

John XXIII, Pope. The Holy Father Speaks to Athletes. Washington: National Catholic Welfare Conference, 1961.

Citazione MLA

John XXIII, Pope. The Holy Father Speaks to Athletes. National Catholic Welfare Conference, 1961.

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