APA (7th ed.) Citation

Cornélis, H., Revilla, F., & Léonard, A. (1961). La gnosis eterna. Editorial Casal i Vall.

Chicago Style (17th ed.) Citation

Cornélis, Humbert, Federico Revilla, and André Léonard. La Gnosis Eterna. Andorra: Editorial Casal i Vall, 1961.

MLA (9th ed.) Citation

Cornélis, Humbert, et al. La Gnosis Eterna. Editorial Casal i Vall, 1961.