MLA
Matthews, Kate, 1870-1956. Mom Beck, real character : an African American woman reading a book to a girl sitting on her lap. 1906 approx.. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4qtq-cor.
APA, 6th edition
Matthews, Kate, 1870-1956. (1906 approx.)[Mom Beck, real character : an African American woman reading a book to a girl sitting on her lap]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4qtq-cor.
Chicago
Matthews, Kate, 1870-1956, Mom Beck, real character : an African American woman reading a book to a girl sitting on her lap, 1906 approx., Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4qtq-cor.