Cita APA (7th ed.)

Calvino, I. (1972). Invisible Cities. Harvest Book.

Cita Chicago (17th ed.)

Calvino, Italo. Invisible Cities. New York: Harvest Book, 1972.

Cita MLA (9th ed.)

Calvino, Italo. Invisible Cities. Harvest Book, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.