APA (7th ed.) Citation

Wilde, O., & Gómez de la Serna, J. El retrato de Dorian Gray.

Chicago Style (17th ed.) Citation

Wilde, Oscar, and Julio Gómez de la Serna. El Retrato De Dorian Gray. Barcelona.

MLA (9th ed.) Citation

Wilde, Oscar, and Julio Gómez de la Serna. El Retrato De Dorian Gray.

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