APA (7th ed.) Citation

Guardini, R. (1966). Cartas sobre autoformacion (6a ed.). Dinor.

Chicago Style (17th ed.) Citation

Guardini, Romano. Cartas Sobre Autoformacion. 6a ed. San Sebastian: Dinor, 1966.

MLA (9th ed.) Citation

Guardini, Romano. Cartas Sobre Autoformacion. 6a ed. Dinor, 1966.

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