MLA
Mr. Harvey Stanton in a Suit, Sitting on a Chair, with Miss Minnie Hams in a Dress and Eyeglasses Sitting next to Them. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/7032280gd3-cor.
APA, 6th edition
Mr. Harvey Stanton in a suit, sitting on a chair, with Miss Minnie Hams in a dress and eyeglasses sitting next to them (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7032280gd3-cor.
Chicago
“Mr. Harvey Stanton in a Suit, Sitting on a Chair, with Miss Minnie Hams in a Dress and Eyeglasses Sitting next to Them.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7032280gd3-cor.