APA (7th ed.) Citation

Katharina, v. S., & Portier, L. (1992). Les oraisons. Ed. du Cerf.

Chicago Style (17th ed.) Citation

Katharina, von Siena, and Lucienne Portier. Les Oraisons. Paris: Ed. du Cerf, 1992.

MLA (8th ed.) Citation

Katharina, von Siena, and Lucienne Portier. Les Oraisons. Ed. du Cerf, 1992.

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