APA (7th ed.) Citation

Le Bon, G. (1996). The Psychology of Revolution. Project Gutenberg.

Chicago Style (17th ed.) Citation

Le Bon, Gustave. The Psychology of Revolution. Project Gutenberg, 1996.

MLA (9th ed.) Citation

Le Bon, Gustave. The Psychology of Revolution. Project Gutenberg, 1996.

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