APA (7th ed.) Citation

Potthast, A. (1874). Regesta pontificum Romanorum inde ab a. post Christum natum MCXCVIII ad a. MCCCIV. de Decker.

Chicago Style (17th ed.) Citation

Potthast, August. Regesta Pontificum Romanorum Inde Ab a. Post Christum Natum MCXCVIII Ad a. MCCCIV. Berolini: de Decker, 1874.

MLA (9th ed.) Citation

Potthast, August. Regesta Pontificum Romanorum Inde Ab a. Post Christum Natum MCXCVIII Ad a. MCCCIV. de Decker, 1874.

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