MLA
Whitman's Phototypes (Canton, Pa.). The old kitchen at Kenmore, showing Uncle Backus White a former slave, 90 years old, and who has the distinction of having shaken hands with Robert E. Lee : Uncle Backus serves the famous Lafayette gingerbread at the Kenmore kitchen every afternoon. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/767wm37pzm-cor.
APA, 6th edition
Whitman's Phototypes (Canton, Pa.). (unknown)[The old kitchen at Kenmore, showing Uncle Backus White a former slave, 90 years old, and who has the distinction of having shaken hands with Robert E. Lee : Uncle Backus serves the famous Lafayette gingerbread at the Kenmore kitchen every afternoon]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/767wm37pzm-cor.
Chicago
Whitman's Phototypes (Canton, Pa.), The old kitchen at Kenmore, showing Uncle Backus White a former slave, 90 years old, and who has the distinction of having shaken hands with Robert E. Lee : Uncle Backus serves the famous Lafayette gingerbread at the Kenmore kitchen every afternoon, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/767wm37pzm-cor.