Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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