Chicago: Gustave Le Bon, "Introduction," The Psychology of Revolution, trans. Macaulay, Thomas Babington Macaulay, Baron, 1800-1859 in The Psychology of Revolution (London: Effingham Wilson, Royal Exchange, 1831), Original Sources, accessed March 27, 2025, http://www.originalsources.com/Document.aspx?DocID=4AWAA2T8BKNBW6Z.
MLA: Bon, Gustave Le. "Introduction." The Psychology of Revolution, translted by Macaulay, Thomas Babington Macaulay, Baron, 1800-1859, in The Psychology of Revolution, London, Effingham Wilson, Royal Exchange, 1831, Original Sources. 27 Mar. 2025. http://www.originalsources.com/Document.aspx?DocID=4AWAA2T8BKNBW6Z.
Harvard: Bon, GL, 'Introduction' in The Psychology of Revolution, trans. . cited in 1831, The Psychology of Revolution, Effingham Wilson, Royal Exchange, London. Original Sources, retrieved 27 March 2025, from http://www.originalsources.com/Document.aspx?DocID=4AWAA2T8BKNBW6Z.