APA Citation

Smiles, S. 1. (1931). El deber. Barcelona: Ramón Sopena, Editor.

Chicago Style Citation

Smiles, Samuel 1812-1904. El Deber. Barcelona: Ramón Sopena, Editor, 1931.

MLA Citation

Smiles, Samuel 1812-1904. El Deber. Barcelona: Ramón Sopena, Editor, 1931.

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