Pius, I. (1857). Pii IX Pontificis Maximi acta Pii IX Pontificis Maximi acta.
Chicago Style (17th ed.) CitationPius, IX. "Pii IX Pontificis Maximi Acta." Pii IX Pontificis Maximi Acta 1857.
MLA (9th ed.) CitationPius, IX. "Pii IX Pontificis Maximi Acta." Pii IX Pontificis Maximi Acta, 1857.
Warning: These citations may not always be 100% accurate.