Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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