APA (7th ed.) Citation

Sheckley, R. (2009). Warrior Race. Project Gutenberg.

Chicago Style (17th ed.) Citation

Sheckley, Robert. Warrior Race. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Sheckley, Robert. Warrior Race. Project Gutenberg, 2009.

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