MLA
Finley, Tom. Man Working behind a Delicatessen Counter, with an African American Woman Standing in Front of It. 1932. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 30. https://digital.library.emory.edu/purl/0515mkkwn7-cor.
APA, 6th edition
Finley, T. (1932). Man working behind a delicatessen counter, with an African American woman standing in front of it (Box 30) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0515mkkwn7-cor.
Chicago
Finley, Tom. “Man Working behind a Delicatessen Counter, with an African American Woman Standing in Front of It.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, 1932. Box 30. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0515mkkwn7-cor.