APA (7th ed.) Citation

Sibilia, S. (1961). Alessandro IV <1254 - 1261>. Tip.

Chicago Style (17th ed.) Citation

Sibilia, Salvatore. Alessandro IV <1254 - 1261>. Roma: Tip, 1961.

MLA (9th ed.) Citation

Sibilia, Salvatore. Alessandro IV <1254 - 1261>. Tip, 1961.

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