APA (7th ed.) Citation

Asimov, I. (1982). Foundations's edge. Ballantine Books.

Chicago Style (17th ed.) Citation

Asimov, Isaac. Foundations's Edge. New York: Ballantine Books, 1982.

MLA (8th ed.) Citation

Asimov, Isaac. Foundations's Edge. Ballantine Books, 1982.

Warning: These citations may not always be 100% accurate.