Chicago: George Washington Crile, "Preface," Origin and Nature of Emotions, trans. Macaulay, Thomas Babington Macaulay, Baron, 1800-1859 in Origin and Nature of Emotions Original Sources, accessed April 25, 2024, http://www.originalsources.com/Document.aspx?DocID=517HB61HTMBLZPB.
MLA: Crile, George Washington. "Preface." Origin and Nature of Emotions, translted by Macaulay, Thomas Babington Macaulay, Baron, 1800-1859, in Origin and Nature of Emotions, Original Sources. 25 Apr. 2024. http://www.originalsources.com/Document.aspx?DocID=517HB61HTMBLZPB.
Harvard: Crile, GW, 'Preface' in Origin and Nature of Emotions, trans. . cited in 1909, Origin and Nature of Emotions. Original Sources, retrieved 25 April 2024, from http://www.originalsources.com/Document.aspx?DocID=517HB61HTMBLZPB.