APA (7th ed.) Citation

Cornélis, H., & Léonard, A. n. 1. (1959). La gnose éternelle. Librairie Arthème Fayard.

Chicago Style (17th ed.) Citation

Cornélis, Humbert, and Augustin n. 1917 Léonard. La Gnose éternelle. Paris: Librairie Arthème Fayard, 1959.

MLA (9th ed.) Citation

Cornélis, Humbert, and Augustin n. 1917 Léonard. La Gnose éternelle. Librairie Arthème Fayard, 1959.

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