MLA
Men Marching in Formation for a Graduation Parade in Camp Robert Smalls. 1942. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/607gqnk9dn-cor.
APA, 6th edition
Men marching in formation for a graduation parade in Camp Robert Smalls (Box 70). (1942). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/607gqnk9dn-cor.
Chicago
“Men Marching in Formation for a Graduation Parade in Camp Robert Smalls.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1942. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/607gqnk9dn-cor.