Catholic Church. Pope (1963-1978 : Paul VI). (1967). On the development of peoples: Populorum progressio. Our Sunday Visitor.
Chicago Style (17th ed.) CitationCatholic Church. Pope (1963-1978 : Paul VI). On the Development of Peoples: Populorum Progressio. Huntington, Ind.: Our Sunday Visitor, 1967.
MLA引文Catholic Church. Pope (1963-1978 : Paul VI). On the Development of Peoples: Populorum Progressio. Our Sunday Visitor, 1967.
警告:這些引文格式不一定是100%准確.