MLA
Co., E. C. Kropp. Old Southern Tea Room, Vicksburg, Miss. [Hand Colored]. 1946. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/99351c5b33-cor.
APA, 6th edition
Co., E. C. K. (1946). Old Southern Tea Room, Vicksburg, Miss. [hand colored] (Box 74) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/99351c5b33-cor.
Chicago
Co., E. C. Kropp. “Old Southern Tea Room, Vicksburg, Miss. [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, 1946. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/99351c5b33-cor.