APA (7th ed.) Citation

Duchesne, L., & Vogel, C. (1886). Le Liber Pontificalis. Ernest Thorin.

Chicago Style (17th ed.) Citation

Duchesne, L., and Cyrille Vogel. Le Liber Pontificalis. Paris: Ernest Thorin, 1886.

MLA (9th ed.) Citation

Duchesne, L., and Cyrille Vogel. Le Liber Pontificalis. Ernest Thorin, 1886.

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