MLA
Committee., New York Republican County. An Appeal for Brownsville Plank in the Platform, Broadside, Republican Party National Convention, March 19, 1908. 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 2, Folder 27. https://digital.library.emory.edu/purl/600ns1rpr8-cor.
APA, 6th edition
Committee., N. Y. R. C. (1908). An Appeal for Brownsville Plank in the Platform, broadside, Republican Party National Convention, March 19, 1908 (Box 2, Folder 27) [Fliers]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/600ns1rpr8-cor.
Chicago
Committee., New York Republican County. “An Appeal for Brownsville Plank in the Platform, Broadside, Republican Party National Convention, March 19, 1908.” Fliers. William H. Scott Family Papers, 1848-1982, 1908. Box 2, Folder 27. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/600ns1rpr8-cor.