Chicago: "Campaign of 1840," National Party Platforms in Donald B. Johnson, Ed. National Party Platforms, 1840–1976. Supplement 1980. (Champaign-Urbana: University of Illinois), P.1 Original Sources, accessed April 6, 2025, http://originalsources.com/Document.aspx?DocID=L8A8PM6QPYVHXJQ.
MLA: . "Campaign of 1840." National Party Platforms, in Donald B. Johnson, Ed. National Party Platforms, 1840–1976. Supplement 1980. (Champaign-Urbana: University of Illinois), P.1, Original Sources. 6 Apr. 2025. http://originalsources.com/Document.aspx?DocID=L8A8PM6QPYVHXJQ.
Harvard: , 'Campaign of 1840' in National Party Platforms. cited in , Donald B. Johnson, Ed. National Party Platforms, 1840–1976. Supplement 1980. (Champaign-Urbana: University of Illinois), P.1. Original Sources, retrieved 6 April 2025, from http://originalsources.com/Document.aspx?DocID=L8A8PM6QPYVHXJQ.