MLA
Merchants Advertising Agency (Charleston, S.C.). Francis Marion Hotel, Charleston, S.C., Coffee Shop and Courtyard. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jwwx-cor.
APA, 6th edition
Merchants Advertising Agency (Charleston, S.C.). (unknown)[Francis Marion Hotel, Charleston, S.C., Coffee Shop and Courtyard]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jwwx-cor.
Chicago
Merchants Advertising Agency (Charleston, S.C.), Francis Marion Hotel, Charleston, S.C., Coffee Shop and Courtyard, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6451g1jwwx-cor.