APA (7th ed.) Citation

Marsh, R. (2012). The Chase of the Ruby. Project Gutenberg.

Chicago Style (17th ed.) Citation

Marsh, Richard. The Chase of the Ruby. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Marsh, Richard. The Chase of the Ruby. Project Gutenberg, 2012.

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