Chicago:
"Free Speech and Alien Agitation," Republican Party Platform of 1920 in Donald B. Johnson, Ed. National Party Platforms, 1840–1976. Supplement 1980. (Champaign-Urbana: University of Illinois), P.236 Original Sources, accessed July 6, 2025, http://www.originalsources.com/Document.aspx?DocID=L87M3QK4FBAXVIQ.
MLA:
. "Free Speech and Alien Agitation." Republican Party Platform of 1920, in Donald B. Johnson, Ed. National Party Platforms, 1840–1976. Supplement 1980. (Champaign-Urbana: University of Illinois), P.236, Original Sources. 6 Jul. 2025. http://www.originalsources.com/Document.aspx?DocID=L87M3QK4FBAXVIQ.
Harvard:
, 'Free Speech and Alien Agitation' in Republican Party Platform of 1920. cited in , Donald B. Johnson, Ed. National Party Platforms, 1840–1976. Supplement 1980. (Champaign-Urbana: University of Illinois), P.236. Original Sources, retrieved 6 July 2025, from http://www.originalsources.com/Document.aspx?DocID=L87M3QK4FBAXVIQ.