MLA
National Independent Political League, Washington, and D. C. National Negro American Political League USA, 2nd Annual Meeting Brochure, Columbus, Ohio, May 26-27, 1909. 1909. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 11. https://digital.library.emory.edu/purl/0859cnp70q-cor.
APA, 6th edition
National Independent Political League, W., & D. C. (1909). National Negro American Political League USA, 2nd annual meeting brochure, Columbus, Ohio, May 26-27, 1909 (Box 3, Folder 11) [Programs (documents)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0859cnp70q-cor.
Chicago
National Independent Political League, Washington, and D.C. “National Negro American Political League USA, 2nd Annual Meeting Brochure, Columbus, Ohio, May 26-27, 1909.” Programs (documents). William H. Scott Family Papers, 1848-1982, 1909. Box 3, Folder 11. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0859cnp70q-cor.