APA (7th ed.) Citation

(1872). Romanorum pontificum epistolae selectae. Libraria Academica Wagneriana [etc.].

Chicago Style (17th ed.) Citation

Romanorum Pontificum Epistolae Selectae. Oeniponti [etc.]: Libraria Academica Wagneriana [etc.], 1872.

MLA (9th ed.) Citation

Romanorum Pontificum Epistolae Selectae. Libraria Academica Wagneriana [etc.], 1872.

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