MLA
Portrait of a Ralph in a Suit Wearing a Bowler Hat with His Right Hand in His Coat Pocket with Mamie Taylor in Dress Wearing a Scarf and Holding a Dog on a Leash with Her Right Hand. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8. https://digital.library.emory.edu/purl/863fxpnw3v-cor.
APA, 6th edition
Portrait of a Ralph in a suit wearing a bowler hat with his right hand in his coat pocket with Mamie Taylor in dress wearing a scarf and holding a dog on a leash with her right hand (Box 8). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/863fxpnw3v-cor.
Chicago
“Portrait of a Ralph in a Suit Wearing a Bowler Hat with His Right Hand in His Coat Pocket with Mamie Taylor in Dress Wearing a Scarf and Holding a Dog on a Leash with Her Right Hand.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 8. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/863fxpnw3v-cor.