Chicago: Charles Darwin, "Volume 1," The Variation of Animals and Plants Under Domestication, Vol. 1, ed. Bryant Conant, James and trans. Babington, B. G. (Benjamin Guy), 1794-1866 in The Variation of Animals and Plants Under Domestication Original Sources, accessed February 15, 2025, http://www.originalsources.com/Document.aspx?DocID=V5272AAU18PTQZT.
MLA: Darwin, Charles. "Volume 1." The Variation of Animals and Plants Under Domestication, Vol. 1, edited by Bryant Conant, James, and translated by Babington, B. G. (Benjamin Guy), 1794-1866, in The Variation of Animals and Plants Under Domestication, Vol. 1, Original Sources. 15 Feb. 2025. http://www.originalsources.com/Document.aspx?DocID=V5272AAU18PTQZT.
Harvard: Darwin, C, 'Volume 1' in The Variation of Animals and Plants Under Domestication, Vol. 1, ed. and trans. . cited in , The Variation of Animals and Plants Under Domestication. Original Sources, retrieved 15 February 2025, from http://www.originalsources.com/Document.aspx?DocID=V5272AAU18PTQZT.