MLA
Co., Paul C. Koeber. A Study in Black and White [Hand Colored]. 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/245q83bk6b-cor.
APA, 6th edition
Co., P. C. K. (1908). A study in black and white [hand colored] (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/245q83bk6b-cor.
Chicago
Co., Paul C. Koeber. “A Study in Black and White [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, 1908. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/245q83bk6b-cor.