APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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