Catholic Church. Pontificia Commissio de Spirituali Migratorum atque Itinerantium Cura. (1978). Letter to episcopal conferences on the Church and people on the move: May 4, 1978. United States Catholic Conference.
Chicago Style (17th ed.) CitationCatholic Church. Pontificia Commissio de Spirituali Migratorum atque Itinerantium Cura. Letter to Episcopal Conferences on the Church and People on the Move: May 4, 1978. Washington: United States Catholic Conference, 1978.
MLA引文Catholic Church. Pontificia Commissio de Spirituali Migratorum atque Itinerantium Cura. Letter to Episcopal Conferences on the Church and People on the Move: May 4, 1978. United States Catholic Conference, 1978.
警告:这些引文格式不一定是100%准确.