MLA
African American Man Wearing a Suit and Hat, Holding Two Picture Frames, with an African American Boy and Girl Sitting next to Him, in Front of a Wooden Building. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/648ffbg7cg-cor.
APA, 6th edition
African American man wearing a suit and hat, holding two picture frames, with an African American boy and girl sitting next to him, in front of a wooden building (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/648ffbg7cg-cor.
Chicago
“African American Man Wearing a Suit and Hat, Holding Two Picture Frames, with an African American Boy and Girl Sitting next to Him, in Front of a Wooden Building.” 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/648ffbg7cg-cor.