APA (7th ed.) Citation

Pius, X. (1971). Exhortatio Haerent animo ad clerum catholicum. Typis polyglottis vaticanis.

Chicago Style (17th ed.) Citation

Pius, X. Exhortatio Haerent Animo Ad Clerum Catholicum. [Citta del Vaticano]: Typis polyglottis vaticanis, 1971.

MLA (8th ed.) Citation

Pius, X. Exhortatio Haerent Animo Ad Clerum Catholicum. Typis polyglottis vaticanis, 1971.

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