Asimov, I. (1983). The caves of steel (1st Ballantine books ed.). Ballantine Books.
Citación estilo ChicagoAsimov, Isaac. The Caves of Steel. 1st Ballantine books ed. New York: Ballantine Books, 1983.
Cita MLAAsimov, Isaac. The Caves of Steel. 1st Ballantine books ed. Ballantine Books, 1983.
Warning: These citations may not always be 100% accurate.