MLA
A Portrait of an African American Man in a Suit and Cloak, Sitting in a Chair. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 65. https://digital.library.emory.edu/purl/788cfxpp0m-cor.
APA, 6th edition
A portrait of an African American man in a suit and cloak, sitting in a chair (Box 65). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/788cfxpp0m-cor.
Chicago
“A Portrait of an African American Man in a Suit and Cloak, Sitting in a Chair.” 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/788cfxpp0m-cor.