MLA
Henry Collins, an African American Man Sitting on a Bench, Wearing a Suit and Bow Tie, Holding a Hat, with One Hand on His Cheek. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/863fxpnw0g-cor.
APA, 6th edition
Henry Collins, an African American man sitting on a bench, wearing a suit and bow tie, holding a hat, with one hand on his cheek (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/863fxpnw0g-cor.
Chicago
“Henry Collins, an African American Man Sitting on a Bench, Wearing a Suit and Bow Tie, Holding a Hat, with One Hand on His Cheek.” 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/863fxpnw0g-cor.