MLA
African American Man Wearing a Suit, Holding an Infant, with an African American Woman Standing behind Him Wearing a Dress. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/832r4xgxgb-cor.
APA, 6th edition
African American man wearing a suit, holding an infant, with an African American woman standing behind him wearing a dress (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/832r4xgxgb-cor.
Chicago
“African American Man Wearing a Suit, Holding an Infant, with an African American Woman Standing behind Him Wearing a Dress.” 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/832r4xgxgb-cor.