APA (7e ed.) Bronvermelding

Asimov, I. (1983). The caves of steel (1st Ballantine books ed.). Ballantine Books.

Chicago (17e ed.) Bronvermelding

Asimov, Isaac. The Caves of Steel. 1st Ballantine books ed. New York: Ballantine Books, 1983.

MLA (8e ed.) Bronvermelding

Asimov, Isaac. The Caves of Steel. 1st Ballantine books ed. Ballantine Books, 1983.