Cita APA (7th ed.)

Zafon, C. R., & Graves, L. (2001). The shadow of the wind. Penguin Books.

Cita Chicago (17th ed.)

Zafon, Carlos Ruiz, i Lucia Graves. The Shadow of the Wind. New York: Penguin Books, 2001.

Cita MLA (8th ed.)

Zafon, Carlos Ruiz, i Lucia Graves. The Shadow of the Wind. Penguin Books, 2001.