MLA
Portrait of an African American Woman in a Dress and Hat with a Purse on Her Right Wrist Standing next to an African American Man in a Suit and Hat Seated in a Chair in Front of a Portrait Backdrop. 1923. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8. https://digital.library.emory.edu/purl/573bzkh1f9-cor.
APA, 6th edition
Portrait of an African American woman in a dress and hat with a purse on her right wrist standing next to an African American man in a suit and hat seated in a chair in front of a portrait backdrop (Box 8). (1923). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/573bzkh1f9-cor.
Chicago
“Portrait of an African American Woman in a Dress and Hat with a Purse on Her Right Wrist Standing next to an African American Man in a Suit and Hat Seated in a Chair in Front of a Portrait Backdrop.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, 1923. Box 8. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/573bzkh1f9-cor.