Chicago: Abraham Lincoln, "No Extension of Slavery (1860– 1861)," Complete Works, ed. John G. Nicolay and John Hay in American History Told by Contemporaries, ed. Albert Bushnell Hart (New York: The Macmillan Company, 1903), Original Sources, accessed September 10, 2024, http://www.originalsources.com/Document.aspx?DocID=T7P6JCET9GPIWZP.
MLA: Lincoln, Abraham. "No Extension of Slavery (1860– 1861)." Complete Works, edited by John G. Nicolay and John Hay, Vol. I, in American History Told by Contemporaries, edited by Albert Bushnell Hart, Vol. 4, New York, The Macmillan Company, 1903, Original Sources. 10 Sep. 2024. http://www.originalsources.com/Document.aspx?DocID=T7P6JCET9GPIWZP.
Harvard: Lincoln, A, 'No Extension of Slavery (1860– 1861)' in Complete Works, ed. . cited in 1903, American History Told by Contemporaries, ed. , The Macmillan Company, New York. Original Sources, retrieved 10 September 2024, from http://www.originalsources.com/Document.aspx?DocID=T7P6JCET9GPIWZP.