APA (7th ed.) Citation

Ledos, G. (1919). Sainte Gertrude (1256?-1303). Victor Lecoffre.

Chicago Style (17th ed.) Citation

Ledos, Gabriel. Sainte Gertrude (1256?-1303). Paris: Victor Lecoffre, 1919.

MLA (9th ed.) Citation

Ledos, Gabriel. Sainte Gertrude (1256?-1303). Victor Lecoffre, 1919.

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