MLA
Cara Wearing a Dress and Hat, Carrying a Purse, and Tony Wearing a Suit. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 45. https://digital.library.emory.edu/purl/556931zcxh-cor.
APA, 6th edition
Cara wearing a dress and hat, carrying a purse, and Tony wearing a suit (Box 45). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/556931zcxh-cor.
Chicago
“Cara Wearing a Dress and Hat, Carrying a Purse, and Tony Wearing a Suit.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 45. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/556931zcxh-cor.