Smiles, S. (1935). El deber. Editorial Ramón Sopena.
Chicago Style (17th ed.) CitationSmiles, Samuel. El Deber. Barcelona: Editorial Ramón Sopena, 1935.
MLA (9th ed.) CitationSmiles, Samuel. El Deber. Editorial Ramón Sopena, 1935.
Warning: These citations may not always be 100% accurate.