Catholic Church. Pope (1978-2005 : John Paul II). (1991). On the hundredth anniversary of Rerum novarum: Encyclical letter Centesimus annus of the Supreme Pontiff. St. Paul Books & Media.
Chicago Style (17th ed.) CitationCatholic Church. Pope (1978-2005 : John Paul II). On the Hundredth Anniversary of Rerum Novarum: Encyclical Letter Centesimus Annus of the Supreme Pontiff. Boston, MA: St. Paul Books & Media, 1991.
MLA (9th ed.) CitationCatholic Church. Pope (1978-2005 : John Paul II). On the Hundredth Anniversary of Rerum Novarum: Encyclical Letter Centesimus Annus of the Supreme Pontiff. St. Paul Books & Media, 1991.
Warning: These citations may not always be 100% accurate.