MLA
Georgia News Company (Atlanta, Ga.). Hard times a knocking at de door in Marietta, Ga. [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tb4m-cor.
APA, 6th edition
Georgia News Company (Atlanta, Ga.). (unknown)[Hard times a knocking at de door in Marietta, Ga. [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tb4m-cor.
Chicago
Georgia News Company (Atlanta, Ga.), Hard times a knocking at de door in Marietta, Ga. [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tb4m-cor.