MLA
Adelwell (N.Y.). Portrait of Ada Brown in a dress. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/153jwstqpb-cor.
APA, 6th edition
Adelwell (N.Y.). (unknown)[Portrait of Ada Brown in a dress]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/153jwstqpb-cor.
Chicago
Adelwell (N.Y.), Portrait of Ada Brown in a dress, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/153jwstqpb-cor.