MLA
of Commerce., Virginia State Chamber. The Slave Auction Block at Fredericksburg, Va. with a Former Slave Standing before It. 1928. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 16. https://digital.library.emory.edu/purl/24298sf7x9-cor.
APA, 6th edition
of Commerce., V. S. C. (1928). The slave auction block at Fredericksburg, Va. with a former slave standing before it (Box 16) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24298sf7x9-cor.
Chicago
Commerce., Virginia State Chamber of. “The Slave Auction Block at Fredericksburg, Va. with a Former Slave Standing before It.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1928. Box 16. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/24298sf7x9-cor.