APA (7th ed.) Citation

León I, P. (1874). S. Leonis Magni romani pontifici epistolae selectae: (continuatio XXIX-L). Libraria Academica Wagneriana [etc.].

Chicago Style (17th ed.) Citation

León I, Papa. S. Leonis Magni Romani Pontifici Epistolae Selectae: (continuatio XXIX-L). Oeniponti [etc.]: Libraria Academica Wagneriana [etc.], 1874.

MLA (9th ed.) Citation

León I, Papa. S. Leonis Magni Romani Pontifici Epistolae Selectae: (continuatio XXIX-L). Libraria Academica Wagneriana [etc.], 1874.

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