Chicago: Walter Hawkins, "Preface," Old John Brown, the Man Whose Soul Is Marching on, ed. Davis, Charles Belmont, 1866-1926 in Old John Brown, the Man Whose Soul Is Marching on (New York: Doubleday, Page & Company, 1920), Original Sources, accessed October 6, 2024, http://www.originalsources.com/Document.aspx?DocID=ZU6UB1PNBB1Y4WI.
MLA: Hawkins, Walter. "Preface." Old John Brown, the Man Whose Soul Is Marching on, edited by Davis, Charles Belmont, 1866-1926, in Old John Brown, the Man Whose Soul Is Marching on, Vol. 22, New York, Doubleday, Page & Company, 1920, Original Sources. 6 Oct. 2024. http://www.originalsources.com/Document.aspx?DocID=ZU6UB1PNBB1Y4WI.
Harvard: Hawkins, W, 'Preface' in Old John Brown, the Man Whose Soul Is Marching on, ed. . cited in 1920, Old John Brown, the Man Whose Soul Is Marching on, Doubleday, Page & Company, New York. Original Sources, retrieved 6 October 2024, from http://www.originalsources.com/Document.aspx?DocID=ZU6UB1PNBB1Y4WI.