MLA
Magill, Zeph F. Fisk University's Jubilee Singers. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 62. https://digital.library.emory.edu/purl/450gtht78q-cor.
APA, 6th edition
Magill, Z. F. Fisk University's Jubilee Singers (Box 62) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/450gtht78q-cor.
Chicago
Magill, Zeph F. “Fisk University's Jubilee Singers.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 62. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/450gtht78q-cor.