MLA
Koester, Herbert. Unidentified Buildings - Interior of an Empty Performance Hall. 1900. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 23, Folder 9. https://digital.library.emory.edu/purl/7375tb2s9t-cor.
APA, 6th edition
Koester, H. (1900). Unidentified buildings - Interior of an empty performance hall (Box 23, Folder 9) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2s9t-cor.
Chicago
Koester, Herbert. “Unidentified Buildings - Interior of an Empty Performance Hall.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 , 1900. Box 23, Folder 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2s9t-cor.