MLA
Perry & Ulman (Hopewell, Va.). Hopewell Street, Hopewell, Va.. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1vjs-cor.
APA, 6th edition
Perry & Ulman (Hopewell, Va.). (unknown)[Hopewell Street, Hopewell, Va.]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1vjs-cor.
Chicago
Perry & Ulman (Hopewell, Va.), Hopewell Street, Hopewell, Va., unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1vjs-cor.