Catholic Church. Pope (1922-1939 : Pius XI) & National Catholic Welfare Conference. (1940). Encyclical letter of His Holiness Pius XI, by Divine providence, pope to our venerable brethren: The patriarchs, primates, archbishops, bishops and other ordinaries, in peace and communion with the Apostolic See, and to all the faithful of the Catholic world, on reconstructing the social order and perfecting it conformably to the precepts of the Gospel, in commemoration of the fortieth anniversary of the encyclical "Rerum novarum.". National Catholic Welfare Conference.
Chicago Style (17th ed.) CitationCatholic Church. Pope (1922-1939 : Pius XI) and National Catholic Welfare Conference. Encyclical Letter of His Holiness Pius XI, by Divine Providence, Pope to Our Venerable Brethren: The Patriarchs, Primates, Archbishops, Bishops and Other Ordinaries, in Peace and Communion with the Apostolic See, and to All the Faithful of the Catholic World, on Reconstructing the Social Order and Perfecting It Conformably to the Precepts of the Gospel, in Commemoration of the Fortieth Anniversary of the Encyclical "Rerum Novarum.". Washington, D.C.: National Catholic Welfare Conference, 1940.
MLA (8th ed.) CitationCatholic Church. Pope (1922-1939 : Pius XI) and National Catholic Welfare Conference. Encyclical Letter of His Holiness Pius XI, by Divine Providence, Pope to Our Venerable Brethren: The Patriarchs, Primates, Archbishops, Bishops and Other Ordinaries, in Peace and Communion with the Apostolic See, and to All the Faithful of the Catholic World, on Reconstructing the Social Order and Perfecting It Conformably to the Precepts of the Gospel, in Commemoration of the Fortieth Anniversary of the Encyclical "Rerum Novarum.". National Catholic Welfare Conference, 1940.