APA (7th ed.) Citation

Pius, P. C. C. P. (1946). The Pope Speaks on Rural Life. Rome.

Chicago Style (17th ed.) Citation

Pius, Pope; Catholic Church. Pope. The Pope Speaks on Rural Life. Rome, 1946.

MLA (8th ed.) Citation

Pius, Pope; Catholic Church. Pope. The Pope Speaks on Rural Life. Rome, 1946.

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