APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Cornélis, H., and André Léonard. La Gnosis Eterna. Andorra: Casal i Vall, 1961.

MLA (9th ed.) Citation

Cornélis, H., and André Léonard. La Gnosis Eterna. Casal i Vall, 1961.