MLA
Co., Detroit Photographic. The Slave Market, St. Augustine, Fla. 1902. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/53976hdrbf-cor.
APA, 6th edition
Co., D. P. (1902). The slave market, St. Augustine, Fla. (Box 74) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/53976hdrbf-cor.
Chicago
Co., Detroit Photographic. “The Slave Market, St. Augustine, Fla.” Postcards. Robert Langmuir African American Photograph Collection, 1902. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/53976hdrbf-cor.