MLA
An African American Man in a Coat and Hat Standing in Front of a Door. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/064tht76kp-cor.
APA, 6th edition
An African American man in a coat and hat standing in front of a door (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht76kp-cor.
Chicago
“An African American Man in a Coat and Hat Standing in Front of a Door.” 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/064tht76kp-cor.