APA (7th ed.) Citation

Mills, W. J., & Rae, J. (2011). The ghosts of their ancestors. Project Gutenberg.

Chicago Style (17th ed.) Citation

Mills, Weymer Jay, and John Rae. The Ghosts of Their Ancestors. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Mills, Weymer Jay, and John Rae. The Ghosts of Their Ancestors. Project Gutenberg, 2011.

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