APA (7th ed.) Citation

Le Bon, G. (1996). The Crowd: A Study of the Popular Mind. Project Gutenberg.

Chicago Style (17th ed.) Citation

Le Bon, Gustave. The Crowd: A Study of the Popular Mind. Project Gutenberg, 1996.

MLA (9th ed.) Citation

Le Bon, Gustave. The Crowd: A Study of the Popular Mind. Project Gutenberg, 1996.

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