APA (7th ed.) Citation

Hayward, F. (1948). Pie IX et son temps. Librairie Plon.

Chicago Style (17th ed.) Citation

Hayward, Fernand. Pie IX Et Son Temps. Paris: Librairie Plon, 1948.

MLA (9th ed.) Citation

Hayward, Fernand. Pie IX Et Son Temps. Librairie Plon, 1948.

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