MLA
Smith, Mamie. Smith, Mamie, "Crazy Blues," Sheet Music with Photo of Smith and Her Jazz Hounds on Cover, 1920. 1920. Stuart A. Rose Manuscript, Archives, and Rare Book Library, OP186. https://digital.library.emory.edu/purl/0278sf7m0r-cor.
APA, 6th edition
Smith, M. (1920). Smith, Mamie, "Crazy Blues," sheet music with photo of Smith and her Jazz Hounds on cover, 1920 (OP186) [Sheet music]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0278sf7m0r-cor.
Chicago
Smith, Mamie. “Smith, Mamie, ‘Crazy Blues," Sheet Music with Photo of Smith and Her Jazz Hounds on Cover, 1920.” Sheet music. Robert Langmuir African American Photograph Collection, 1920. OP186. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0278sf7m0r-cor.