APA (7th ed.) Citation

Kallis, S. A., & Douglas. (2008). The Untouchable. Project Gutenberg.

Chicago Style (17th ed.) Citation

Kallis, Stephen A., and Douglas. The Untouchable. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Kallis, Stephen A., and Douglas. The Untouchable. Project Gutenberg, 2008.

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