MLA
Frederick Douglass 1871 January as Secretary to Commission Sent by Grat to Annex Santo Domingo Either at Sea or Brooklyn Navy Yard, or Hoboken, N.J. 1871. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 50. https://digital.library.emory.edu/purl/52908kprwr-cor.
APA, 6th edition
Frederick Douglass 1871 January as Secretary to Commission sent by Grat to annex Santo Domingo either at sea or Brooklyn Navy Yard, or Hoboken, N.J. (Box 50). (1871). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52908kprwr-cor.
Chicago
“Frederick Douglass 1871 January as Secretary to Commission Sent by Grat to Annex Santo Domingo Either at Sea or Brooklyn Navy Yard, or Hoboken, N.J.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1871. Box 50. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52908kprwr-cor.