MLA
Williams' World-Famous Singers [Hand Colored]. 1926. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/716pzgmsg0-cor.
APA, 6th edition
Williams' World-Famous Singers [hand colored] (Box 70). (1926). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/716pzgmsg0-cor.
Chicago
“Williams' World-Famous Singers [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, 1926. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/716pzgmsg0-cor.