MLA
Broadbent & Co. (Philadelphia, Pa.). An African American woman wearing a dress, seated with a young girl wearing a dress with bows on her shoulders standing next to her [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/450gtht790-cor.
APA, 6th edition
Broadbent & Co. (Philadelphia, Pa.). (unknown)[An African American woman wearing a dress, seated with a young girl wearing a dress with bows on her shoulders standing next to her [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/450gtht790-cor.
Chicago
Broadbent & Co. (Philadelphia, Pa.), An African American woman wearing a dress, seated with a young girl wearing a dress with bows on her shoulders standing next to her [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/450gtht790-cor.