Lanza del Vasto, J. (1980). Umbral de la vida interior (3“ ed.). Sgueme.
Chicago Style (17th ed.) CitationLanza del Vasto, Joseph. Umbral De La Vida Interior. 3“ ed. Salamanca: Sgueme, 1980.
MLA (9th ed.) CitationLanza del Vasto, Joseph. Umbral De La Vida Interior. 3“ ed. Sgueme, 1980.
Warning: These citations may not always be 100% accurate.