APA (7th ed.) Citation

Smiles, S. Vida de Jorge Stephenson. Ramón Sopena.

Chicago Style (17th ed.) Citation

Smiles, Samuel. Vida De Jorge Stephenson. Barcelona: Ramón Sopena.

MLA (9th ed.) Citation

Smiles, Samuel. Vida De Jorge Stephenson. Ramón Sopena.

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