APA (7th ed.) Citation

Ruiz Zafon, C. (2005). The shadow of the wind. Penguin Books.

Chicago Style (17th ed.) Citation

Ruiz Zafon, Carlos. The Shadow of the Wind. New York,New York: Penguin Books, 2005.

MLA (9th ed.) Citation

Ruiz Zafon, Carlos. The Shadow of the Wind. Penguin Books, 2005.

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