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 July 1, 2025, 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. 1 Jul. 2025. 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 1 July 2025, from http://www.originalsources.com/Document.aspx?DocID=517HB61HTMBLZPB.