Chicago: Mark Twain, "Preface," Sketches New and Old, ed. Paine, Albert Bigelow, 1861-1937 and trans. Townsend, R.S. in Sketches New and Old (New York: A. L. Burt Company, 1916), Original Sources, accessed November 23, 2024, http://originalsources.com/Document.aspx?DocID=MDYMCXLRPSMZITV.
MLA: Twain, Mark. "Preface." Sketches New and Old, edited by Paine, Albert Bigelow, 1861-1937, and translated by Townsend, R.S., in Sketches New and Old, Vol. 22, New York, A. L. Burt Company, 1916, Original Sources. 23 Nov. 2024. http://originalsources.com/Document.aspx?DocID=MDYMCXLRPSMZITV.
Harvard: Twain, M, 'Preface' in Sketches New and Old, ed. and trans. . cited in 1916, Sketches New and Old, A. L. Burt Company, New York. Original Sources, retrieved 23 November 2024, from http://originalsources.com/Document.aspx?DocID=MDYMCXLRPSMZITV.