MLA
Men and Women around a Pit Barbeque on a Beach. 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/921ghx3fk6-cor.
APA, 6th edition
Men and women around a pit barbeque on a beach (Box 70). (1908). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/921ghx3fk6-cor.
Chicago
“Men and Women around a Pit Barbeque on a Beach.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1908. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/921ghx3fk6-cor.