MLA
Stand by the Old Flag, Notice for War Meeting to Be Held at Osgood's Hall in Ilion, New York on October 5, 1865, with the Reverend B. I. Ives and Others Will Be Speaking. Loyal Citizens Steam Job Press, 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 23, Folder 17. https://digital.library.emory.edu/purl/252j6q58dw-cor.
APA, 6th edition
Stand by the Old Flag, Notice for war meeting to be held at Osgood's Hall in Ilion, New York on October 5, 1865, with the Reverend B. I. Ives and others will be speaking (Box 23, Folder 17). (1864). [Announcements]. Loyal Citizens Steam Job Press; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/252j6q58dw-cor.
Chicago
“Stand by the Old Flag, Notice for War Meeting to Be Held at Osgood's Hall in Ilion, New York on October 5, 1865, with the Reverend B. I. Ives and Others Will Be Speaking.” Announcements. Civil War Collection. Ilion, NY: Loyal Citizens Steam Job Press, 1864. Box 23, Folder 17. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/252j6q58dw-cor.