Chicago: Samuel Butler, "Prefatory Note," God the Known and God the Unknown, trans. Elwes, R. H. M. (Robert Harvey Monro), 1853- in God the Known and God the Unknown Original Sources, accessed November 22, 2024, http://originalsources.com/Document.aspx?DocID=6TMDKM2QY8EIS59.
MLA: Butler, Samuel. "Prefatory Note." God the Known and God the Unknown, translted by Elwes, R. H. M. (Robert Harvey Monro), 1853-, in God the Known and God the Unknown, Original Sources. 22 Nov. 2024. http://originalsources.com/Document.aspx?DocID=6TMDKM2QY8EIS59.
Harvard: Butler, S, 'Prefatory Note' in God the Known and God the Unknown, trans. . cited in , God the Known and God the Unknown. Original Sources, retrieved 22 November 2024, from http://originalsources.com/Document.aspx?DocID=6TMDKM2QY8EIS59.