APA (7th ed.) Citation

Kehr, P. F. (1908). Regesta pontificum Romanorum. Weidmann.

Chicago Style (17th ed.) Citation

Kehr, Paul Fridolin. Regesta Pontificum Romanorum. Berolini: Weidmann, 1908.

MLA (8th ed.) Citation

Kehr, Paul Fridolin. Regesta Pontificum Romanorum. Weidmann, 1908.

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