APA-referens (7:e uppl.)

United States. Secret Service & United States. National Archives and Records Service. (2019). Daily reports of the U.S. Secret Service agents, 1875-1936. [United States Congress and National Archives and Records Administration].

Chicago-referens (17:e uppl.)

United States. Secret Service och United States. National Archives and Records Service. Daily Reports of the U.S. Secret Service Agents, 1875-1936. [Washington, DC]: [United States Congress and National Archives and Records Administration], 2019.

MLA-referens (8:e uppl.)

United States. Secret Service och United States. National Archives and Records Service. Daily Reports of the U.S. Secret Service Agents, 1875-1936. [United States Congress and National Archives and Records Administration], 2019.