APA (7th ed.) Citation

Knight, E. F. (2012). The Threatening Eye. Project Gutenberg.

Chicago Style (17th ed.) Citation

Knight, E. F. The Threatening Eye. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Knight, E. F. The Threatening Eye. Project Gutenberg, 2012.

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