The psychology of socialism,
by Gustave Le Bon.
APA Citation
Le Bon, G. (1899). The psychology of socialism. New York: The Macmillan co..
MLA Citation
Le Bon, Gustave, 1841-1931. The Psychology of Socialism. New York: The Macmillan co., 1899.
Warning: These citations may not always be complete (especially for serials).