MLA
Roshon's Studio (Harrisburg, Pa.). Head bellman, bellmen, and elevator girls. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/883xsj3tz9-cor.
APA, 6th edition
Roshon's Studio (Harrisburg, Pa.). (unknown)[Head bellman, bellmen, and elevator girls]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/883xsj3tz9-cor.
Chicago
Roshon's Studio (Harrisburg, Pa.), Head bellman, bellmen, and elevator girls, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/883xsj3tz9-cor.