Chicago: "Iz Derevni: 12 Pisem," Iz Derevni: 12 Pisem in Primitive Behavior: An Introduction to the Social Sciences, ed. Thomas, William I. (New York: McGraw-Hill Book Company, Inc., 1937), Original Sources, accessed May 10, 2025, http://www.originalsources.com/Document.aspx?DocID=7RFHJXCAC55D647.
MLA: . "Iz Derevni: 12 Pisem." Iz Derevni: 12 Pisem, Vol. 3, in Primitive Behavior: An Introduction to the Social Sciences, edited by Thomas, William I., New York, McGraw-Hill Book Company, Inc., 1937, Original Sources. 10 May. 2025. http://www.originalsources.com/Document.aspx?DocID=7RFHJXCAC55D647.
Harvard: , 'Iz Derevni: 12 Pisem' in Iz Derevni: 12 Pisem. cited in 1937, Primitive Behavior: An Introduction to the Social Sciences, ed. , McGraw-Hill Book Company, Inc., New York. Original Sources, retrieved 10 May 2025, from http://www.originalsources.com/Document.aspx?DocID=7RFHJXCAC55D647.