MLA
Co., E. C. Kropp. Johnson's Colored Tourist Home and Dinette. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/825x69p8gh-cor.
APA, 6th edition
Co., E. C. K. Johnson's colored tourist home and dinette (Box 74) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/825x69p8gh-cor.
Chicago
Co., E. C. Kropp. “Johnson's Colored Tourist Home and Dinette.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/825x69p8gh-cor.