Chicago: History of the German People at the Close of the Middle Ages in Primitive Behavior: An Introduction to the Social Sciences, ed. Thomas, William I. (New York: McGraw-Hill Book Company, Inc., 1937), Original Sources, accessed April 4, 2025, http://originalsources.com/Document.aspx?DocID=E8UR9U1AYVRJ4CE.
MLA: . History of the German People at the Close of the Middle Ages, Vol. 16, in Primitive Behavior: An Introduction to the Social Sciences, edited by Thomas, William I., New York, McGraw-Hill Book Company, Inc., 1937, Original Sources. 4 Apr. 2025. http://originalsources.com/Document.aspx?DocID=E8UR9U1AYVRJ4CE.
Harvard: , History of the German People at the Close of the Middle Ages. cited in 1937, Primitive Behavior: An Introduction to the Social Sciences, ed. , McGraw-Hill Book Company, Inc., New York. Original Sources, retrieved 4 April 2025, from http://originalsources.com/Document.aspx?DocID=E8UR9U1AYVRJ4CE.