Lebret, L. (1962). Ascensiðn humana. Estela.
Chicago Style (17th ed.) CitationLebret, Louis-Joseph. Ascensiðn Humana. Barcelona: Estela, 1962.
MLA (9th ed.) CitationLebret, Louis-Joseph. Ascensiðn Humana. Estela, 1962.
Warning: These citations may not always be 100% accurate.