MLA
An African American Man Standing in Front of a Door on a Porch, with Two Chairs behind Him. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/658pc866w3-cor.
APA, 6th edition
An African American man standing in front of a door on a porch, with two chairs behind him (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/658pc866w3-cor.
Chicago
“An African American Man Standing in Front of a Door on a Porch, with Two Chairs behind Him.” 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/658pc866w3-cor.