APA (7th ed.) Citation

Ollé-Laprune, L. (1880). De la certitude morale. Belin.

Chicago Style (17th ed.) Citation

Ollé-Laprune, Léon. De La Certitude Morale. Paris: Belin, 1880.

MLA (8th ed.) Citation

Ollé-Laprune, Léon. De La Certitude Morale. Belin, 1880.

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