Chicago:
Charles Babbage, "Preface," Reflections on the Decline of Science in England, ed. Bryant Conant, James and trans. Babington, B. G. (Benjamin Guy), 1794-1866 in Reflections on the Decline of Science in England Original Sources, accessed July 21, 2026, http://www.originalsources.com/Document.aspx?DocID=LM1CYXHAQ78WISF.
MLA:
Babbage, Charles. "Preface." Reflections on the Decline of Science in England, edited by Bryant Conant, James, and translated by Babington, B. G. (Benjamin Guy), 1794-1866, in Reflections on the Decline of Science in England, Original Sources. 21 Jul. 2026. http://www.originalsources.com/Document.aspx?DocID=LM1CYXHAQ78WISF.
Harvard:
Babbage, C, 'Preface' in Reflections on the Decline of Science in England, ed. and trans. . cited in , Reflections on the Decline of Science in England. Original Sources, retrieved 21 July 2026, from http://www.originalsources.com/Document.aspx?DocID=LM1CYXHAQ78WISF.