APA (7th ed.) Citation

Jones, R. F., & Emshwiller, E. (2010). The Unlearned. Project Gutenberg.

Chicago Style (17th ed.) Citation

Jones, Raymond F., and Ed Emshwiller. The Unlearned. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Jones, Raymond F., and Ed Emshwiller. The Unlearned. Project Gutenberg, 2010.

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