APA način citiranja (7. izdanje)

Pius IX, P. (1865). The Encyclical Letter of His Holiness, Pius IX, together with the Syllabus of Errors Condemned, to which is added the brief, "Arcano Divinae Providentiae" of 1846. Argus Company.

Čikaški stil citiranja (17. izdanje)

Pius IX, Pope. The Encyclical Letter of His Holiness, Pius IX, Together with the Syllabus of Errors Condemned, to Which Is Added the Brief, "Arcano Divinae Providentiae" of 1846. Albany: Argus Company, 1865.

MLA način citiranja (8. izdanje)

Pius IX, Pope. The Encyclical Letter of His Holiness, Pius IX, Together with the Syllabus of Errors Condemned, to Which Is Added the Brief, "Arcano Divinae Providentiae" of 1846. Argus Company, 1865.