APA (7th ed.) Citation

Iglesia Católica, Pío II, P., & Bernetti, G. (1972). I commentari. Cantagalli.

Chicago Style (17th ed.) Citation

Iglesia Católica, Papa Pío II, and Giuseppe Bernetti. I Commentari. Siena: Cantagalli, 1972.

MLA (9th ed.) Citation

Iglesia Católica, et al. I Commentari. Cantagalli, 1972.

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