APA (7th ed.) Citation

Sibilia, S. (1951). Innocenzo III: 1198 - 1216. [Innoçentius III. papa]. Ed. Paoline.

Chicago Style (17th ed.) Citation

Sibilia, Salvatore. Innocenzo III: 1198 - 1216. [Innoçentius III. Papa]. (Rom): Ed. Paoline, 1951.

MLA (9th ed.) Citation

Sibilia, Salvatore. Innocenzo III: 1198 - 1216. [Innoçentius III. Papa]. Ed. Paoline, 1951.

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