APA (7th ed.) Citation

Pinkerton, A. (2010). The Spiritualists and the Detectives. Project Gutenberg.

Chicago Style (17th ed.) Citation

Pinkerton, Allan. The Spiritualists and the Detectives. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Pinkerton, Allan. The Spiritualists and the Detectives. Project Gutenberg, 2010.

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