Catholic Church. Pope (1958-1963 : John XXIII) & John XXIII, P. (1962). Messages of His Holiness, Pope John XXIII on the Second Vatican Council. National Catholic Welfare Conference.
Chicago Style (17th ed.) CitationCatholic Church. Pope (1958-1963 : John XXIII) and Pope John XXIII. Messages of His Holiness, Pope John XXIII on the Second Vatican Council. Washington, D.C.: National Catholic Welfare Conference, 1962.
MLA (8th ed.) CitationCatholic Church. Pope (1958-1963 : John XXIII) and Pope John XXIII. Messages of His Holiness, Pope John XXIII on the Second Vatican Council. National Catholic Welfare Conference, 1962.
Warning: These citations may not always be 100% accurate.