MLA
Livingston, Arthur, 1883-1944. Oh! Dem watermillions : three pictures of an African American child with watermelons. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqjt3-cor.
APA, 6th edition
Livingston, Arthur, 1883-1944. (unknown)[Oh! Dem watermillions : three pictures of an African American child with watermelons]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqjt3-cor.
Chicago
Livingston, Arthur, 1883-1944, Oh! Dem watermillions : three pictures of an African American child with watermelons, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqjt3-cor.