MLA
Entertainment Flyer for the Boston Museum (Boston, Massachusetts), “Benefit of J. Wilkes Booth.” 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library, OP28, Folder 1. https://digital.library.emory.edu/purl/160cvdndrf-cor.
APA, 6th edition
Entertainment flyer for the Boston Museum (Boston, Massachusetts), “Benefit of J. Wilkes Booth” (OP28, Folder 1). (1864). [Fliers]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/160cvdndrf-cor.
Chicago
“Entertainment Flyer for the Boston Museum (Boston, Massachusetts), ‘Benefit of J. Wilkes Booth.’” Fliers. Civil War Collection, 1864. OP28, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/160cvdndrf-cor.