APA (7th ed.) Citation

Asimov, I. (2010). Foundation: Foundation and empire ; Second foundation. Everymans Library.

Chicago Style (17th ed.) Citation

Asimov, Isaac. Foundation: Foundation and Empire ; Second Foundation. New York: Everymans Library, 2010.

MLA (8th ed.) Citation

Asimov, Isaac. Foundation: Foundation and Empire ; Second Foundation. Everymans Library, 2010.

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