APA (7th ed.) Citation

Pius, I. (1857). Pii IX Pontificis Maximi acta Pii IX Pontificis Maximi acta.

Chicago Style (17th ed.) Citation

Pius, IX. "Pii IX Pontificis Maximi Acta." Pii IX Pontificis Maximi Acta 1857.

MLA (9th ed.) Citation

Pius, IX. "Pii IX Pontificis Maximi Acta." Pii IX Pontificis Maximi Acta, 1857.

Warning: These citations may not always be 100% accurate.