APA (7th ed.) Citation

Leo, X. (1891). Leonis XIII Pontificis Maximi Acta. Leonis XIII Pontificis Maximi Acta.

Chicago Style (17th ed.) Citation

Leo, XIII. "Leonis XIII Pontificis Maximi Acta." Leonis XIII Pontificis Maximi Acta 1891.

MLA (9th ed.) Citation

Leo, XIII. "Leonis XIII Pontificis Maximi Acta." Leonis XIII Pontificis Maximi Acta, 1891.

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