APA (7th ed.) Citation

Smith, G. O. (2007). Highways in Hiding. Project Gutenberg.

Chicago Style (17th ed.) Citation

Smith, George O. Highways in Hiding. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Smith, George O. Highways in Hiding. Project Gutenberg, 2007.

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