Citação APA (7ª ed.)

Catholic Church. Pope (1878-1903 : Leo XIII) & Leo XIII, P. Encyclical letter of our most holy lord, Leo XIII., by divine providence Pope: To all the patriarchs, primates, archbishops and bishops of the Catholic world holding grace and communion with the apostolic see. J. Murphy.

Citação do estilo Chicago (17ª ed.)

Catholic Church. Pope (1878-1903 : Leo XIII) e Pope Leo XIII. Encyclical Letter of Our Most Holy Lord, Leo XIII., by Divine Providence Pope: To All the Patriarchs, Primates, Archbishops and Bishops of the Catholic World Holding Grace and Communion with the Apostolic See. Balto.: J. Murphy.

Citação MLA (8ª ed.)

Catholic Church. Pope (1878-1903 : Leo XIII) e Pope Leo XIII. Encyclical Letter of Our Most Holy Lord, Leo XIII., by Divine Providence Pope: To All the Patriarchs, Primates, Archbishops and Bishops of the Catholic World Holding Grace and Communion with the Apostolic See. J. Murphy.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.