APA (7th ed.) Citation

Pérez Galdós, B. La sombra. Copesa.

Chicago Style (17th ed.) Citation

Pérez Galdós, Benito. La Sombra. Chile: Copesa.

MLA (9th ed.) Citation

Pérez Galdós, Benito. La Sombra. Copesa.

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