MLA
Imale's Studio (Des Moines, Iowa). Portrait of James P. Martin. March 2, 1885. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/460qrfj6s3-cor.
APA, 6th edition
Imale's Studio (Des Moines, Iowa). (March 2, 1885)[Portrait of James P. Martin]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/460qrfj6s3-cor.
Chicago
Imale's Studio (Des Moines, Iowa), Portrait of James P. Martin, March 2, 1885, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/460qrfj6s3-cor.