APA (7th ed.) Citation

Lanza del Vasto, J. (1980). Umbral de la vida interior (3“ ed.). Sgueme.

Chicago Style (17th ed.) Citation

Lanza del Vasto, Joseph. Umbral De La Vida Interior. 3“ ed. Salamanca: Sgueme, 1980.

MLA (9th ed.) Citation

Lanza del Vasto, Joseph. Umbral De La Vida Interior. 3“ ed. Sgueme, 1980.

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