MLA
B & R Lepper (Allegheny, Pa.). Foster Monument, Highland Park, Pittsburgh, Pa.. May 19, 1898. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/098z8w9gk3-cor.
APA, 6th edition
B & R Lepper (Allegheny, Pa.). (May 19, 1898)[Foster Monument, Highland Park, Pittsburgh, Pa.]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/098z8w9gk3-cor.
Chicago
B & R Lepper (Allegheny, Pa.), Foster Monument, Highland Park, Pittsburgh, Pa., May 19, 1898, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/098z8w9gk3-cor.