MLA
African American Man and Woman Standing behind a Chair Wearing a Suit and Dress Respectively. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/423612jm8n-cor.
APA, 6th edition
African American man and woman standing behind a chair wearing a suit and dress respectively (Box 74). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jm8n-cor.
Chicago
“African American Man and Woman Standing behind a Chair Wearing a Suit and Dress Respectively.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jm8n-cor.