APA (7th ed.) Citation

Bruce, H. A. (2009). Historic Ghosts and Ghost Hunters. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bruce, H. Addington. Historic Ghosts and Ghost Hunters. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Bruce, H. Addington. Historic Ghosts and Ghost Hunters. Project Gutenberg, 2009.

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