MLA
Photo., Ertler. Interdinominal Ushers Union, Cleveland, Ohio, July 14, 1940 [Panorama]. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box XOP38. https://digital.library.emory.edu/purl/501pg4f4sr-cor.
APA, 6th edition
Photo., E. (1940). Interdinominal Ushers Union, Cleveland, Ohio, July 14, 1940 [panorama] (Box XOP38) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/501pg4f4sr-cor.
Chicago
Photo., Ertler. “Interdinominal Ushers Union, Cleveland, Ohio, July 14, 1940 [Panorama].” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1940. Box XOP38. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/501pg4f4sr-cor.