APA (7th ed.) Citation

Olgiati, F., & Erba, R. (1950). Carlos Marx ([5“ ed.].). Difusiðn.

Chicago Style (17th ed.) Citation

Olgiati, Francesco, and Rðmulo Erba. Carlos Marx. [5“ ed.]. Buenos Aires: Difusiðn, 1950.

MLA (9th ed.) Citation

Olgiati, Francesco, and Rðmulo Erba. Carlos Marx. [5“ ed.]. Difusiðn, 1950.