Chicago: "Nullification Condemned," Prohibition Party Platform of 1920 in Donald B. Johnson, Ed. National Party Platforms, 1840–1976. Supplement 1980. (Champaign-Urbana: University of Illinois), P.227 Original Sources, accessed May 19, 2024, http://www.originalsources.com/Document.aspx?DocID=LBK6KKQWHZBH4CW.
MLA: . "Nullification Condemned." Prohibition Party Platform of 1920, in Donald B. Johnson, Ed. National Party Platforms, 1840–1976. Supplement 1980. (Champaign-Urbana: University of Illinois), P.227, Original Sources. 19 May. 2024. http://www.originalsources.com/Document.aspx?DocID=LBK6KKQWHZBH4CW.
Harvard: , 'Nullification Condemned' in Prohibition Party Platform of 1920. cited in , Donald B. Johnson, Ed. National Party Platforms, 1840–1976. Supplement 1980. (Champaign-Urbana: University of Illinois), P.227. Original Sources, retrieved 19 May 2024, from http://www.originalsources.com/Document.aspx?DocID=LBK6KKQWHZBH4CW.