APA (7th ed.) Citation

Asimov, I. (1951). Foundation ([1st ed.].). Gnome Press.

Chicago Style (17th ed.) Citation

Asimov, Isaac. Foundation. [1st ed.]. New York: Gnome Press, 1951.

MLA (9th ed.) Citation

Asimov, Isaac. Foundation. [1st ed.]. Gnome Press, 1951.

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