Chicago: G. K. Chesterton, "Preface," Orthodoxy Original Sources, accessed May 19, 2024, http://originalsources.com/Document.aspx?DocID=TGPRJH5WQ1HZ8S8.
MLA: Chesterton, G. K. "Preface." Orthodoxy, Original Sources. 19 May. 2024. http://originalsources.com/Document.aspx?DocID=TGPRJH5WQ1HZ8S8.
Harvard: Chesterton, GK, 'Preface' in Orthodoxy. Original Sources, retrieved 19 May 2024, from http://originalsources.com/Document.aspx?DocID=TGPRJH5WQ1HZ8S8.