Paul VI, P. (1966). Sacrificium laudis: Letter of Pope Paul VI to superiors general of clerical religious institutes bound by the obligation of choir duty : on liturgy in choir duty. National Catholic Welfare Conference.
Chicago Style (17th ed.) CitationPaul VI, Pope. Sacrificium Laudis: Letter of Pope Paul VI to Superiors General of Clerical Religious Institutes Bound by the Obligation of Choir Duty : On Liturgy in Choir Duty. Washington, D.C.: National Catholic Welfare Conference, 1966.
MLA (8th ed.) CitationPaul VI, Pope. Sacrificium Laudis: Letter of Pope Paul VI to Superiors General of Clerical Religious Institutes Bound by the Obligation of Choir Duty : On Liturgy in Choir Duty. National Catholic Welfare Conference, 1966.
Warning: These citations may not always be 100% accurate.