APA (7th ed.) Citation

Simperl, M. (2021). Liber pontificalis.

Chicago Style (17th ed.) Citation

Simperl, Matthias. Liber Pontificalis. 2021.

MLA (9th ed.) Citation

Simperl, Matthias. Liber Pontificalis. 2021.

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