MLA
Co., Paul C. Koeber. A Juvenile Roustabout [Hand Colored]. 1911. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/965v6wwq2v-cor.
APA, 6th edition
Co., P. C. K. (1911). A juvenile roustabout [hand colored] (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/965v6wwq2v-cor.
Chicago
Co., Paul C. Koeber. “A Juvenile Roustabout [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, 1911. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/965v6wwq2v-cor.