Chicago: Andrew Lang, "Preface," The Red Fairy Book, ed. Altemus, Henry in The Red Fairy Book Original Sources, accessed February 7, 2023, http://www.originalsources.com/Document.aspx?DocID=HK64Z812BPYH1RQ.
MLA: Lang, Andrew. "Preface." The Red Fairy Book, edited by Altemus, Henry, in The Red Fairy Book, Original Sources. 7 Feb. 2023. http://www.originalsources.com/Document.aspx?DocID=HK64Z812BPYH1RQ.
Harvard: Lang, A, 'Preface' in The Red Fairy Book, ed. . cited in , The Red Fairy Book. Original Sources, retrieved 7 February 2023, from http://www.originalsources.com/Document.aspx?DocID=HK64Z812BPYH1RQ.