APA (7th ed.) Citation

Honorius III. Papst. (1978). Regesta. Olms.

Chicago Style (17th ed.) Citation

Honorius III. Papst. Regesta. Hildesheim: Olms, 1978.

MLA (9th ed.) Citation

Honorius III. Papst. Regesta. Olms, 1978.

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