APA (7th ed.) Citation

Vasallo, Á. (1961). El problema moral (2a ed.). Columba.

Chicago Style (17th ed.) Citation

Vasallo, Ángel. El Problema Moral. 2a ed. Buenos Aires: Columba, 1961.

MLA (8th ed.) Citation

Vasallo, Ángel. El Problema Moral. 2a ed. Columba, 1961.

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