Cita APA (7th ed.)

Calvino, I. (1972). Invisible cities. Harvest Book/Harcourt.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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