APA (7th ed.) Citation

León XIII, P. (1897). Ex actis excerpta in usum scholarum. Fiaccadoriana.

Chicago Style (17th ed.) Citation

León XIII, Papa. Ex Actis Excerpta in Usum Scholarum. Parma: Fiaccadoriana, 1897.

MLA (9th ed.) Citation

León XIII, Papa. Ex Actis Excerpta in Usum Scholarum. Fiaccadoriana, 1897.

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