APA (7th ed.) Citation

Ruiz Zafón, C., & Graves, L. (2004). The shadow of the wind. Penguin Books.

Chicago Style (17th ed.) Citation

Ruiz Zafón, Carlos, and Lucia Graves. The Shadow of the Wind. New York: Penguin Books, 2004.

MLA (9th ed.) Citation

Ruiz Zafón, Carlos, and Lucia Graves. The Shadow of the Wind. Penguin Books, 2004.