MLA
An African American Man in a Suit and Hat, with a Mustache, Standing next to a Building. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/764gmsbcdw-cor.
APA, 6th edition
An African American man in a suit and hat, with a mustache, standing next to a building (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/764gmsbcdw-cor.
Chicago
“An African American Man in a Suit and Hat, with a Mustache, Standing next to a 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/764gmsbcdw-cor.