MLA
An African American Man in a Suit and Eyeglasses, Sitting in a Chair, with His Hat on His Knee. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 65. https://digital.library.emory.edu/purl/28380gb5qm-cor.
APA, 6th edition
An African American man in a suit and eyeglasses, sitting in a chair, with his hat on his knee (Box 65). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/28380gb5qm-cor.
Chicago
“An African American Man in a Suit and Eyeglasses, Sitting in a Chair, with His Hat on His Knee.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 65. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/28380gb5qm-cor.