MLA
Mirage. Blue Magic : Musical Group : Autographed Photograph for Jerry Spell. 1984. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 22. https://digital.library.emory.edu/purl/259c59zw70-cor.
APA, 6th edition
M. (1984). Blue Magic : musical group : autographed photograph for Jerry Spell (Box 22) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/259c59zw70-cor.
Chicago
Mirage. “Blue Magic : Musical Group : Autographed Photograph for Jerry Spell.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, 1984. Box 22. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/259c59zw70-cor.