APA (7th ed.) Citation

Asimov, I. (1994). Second foundation. HarperCollins.

Chicago Style (17th ed.) Citation

Asimov, Isaac. Second Foundation. London: HarperCollins, 1994.

MLA (9th ed.) Citation

Asimov, Isaac. Second Foundation. HarperCollins, 1994.

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