MLA
A.L. Macbeth Studio (Baltimore, Md.). Mrs. Booker T. Washington at a women's conference. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/105s7h44m0-cor.
APA, 6th edition
A.L. Macbeth Studio (Baltimore, Md.). (unknown)[Mrs. Booker T. Washington at a women's conference]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/105s7h44m0-cor.
Chicago
A.L. Macbeth Studio (Baltimore, Md.), Mrs. Booker T. Washington at a women's conference, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/105s7h44m0-cor.