MLA
Evans Photographer (Louisville, Ky.). Grandchildren of Ella Southall, an African American girl in a dress, with bows in her hair, standing next to an African American boy wearing a suit. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3246q573q9-cor.
APA, 6th edition
Evans Photographer (Louisville, Ky.). (unknown)[Grandchildren of Ella Southall, an African American girl in a dress, with bows in her hair, standing next to an African American boy wearing a suit]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3246q573q9-cor.
Chicago
Evans Photographer (Louisville, Ky.), Grandchildren of Ella Southall, an African American girl in a dress, with bows in her hair, standing next to an African American boy wearing a suit, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3246q573q9-cor.