Cita APA (7a ed.)

Asimov, I. (1988). Nightfall and other stories. Ballantine Books.

Cita Chicago Style (17a ed.)

Asimov, Isaac. Nightfall and Other Stories. New York: Ballantine Books, 1988.

Cita MLA (8a ed.)

Asimov, Isaac. Nightfall and Other Stories. Ballantine Books, 1988.