APA (7th ed.) Citation

Pius, X. (1971). Pii X Pontificis Maximi acta Pii X Pontificis Maximi acta.

Chicago Style (17th ed.) Citation

Pius, X. "Pii X Pontificis Maximi Acta." Pii X Pontificis Maximi Acta 1971.

MLA (8th ed.) Citation

Pius, X. "Pii X Pontificis Maximi Acta." Pii X Pontificis Maximi Acta, 1971.

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