MLA
An African American Woman in a Dress Carrying a U.S. Flag Standing underneath a Tree next to an Elderly Woman Seated in a Chair with a Child Standing in Front of Her with a Dirt Road and House behind Them. 1888. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 40. https://digital.library.emory.edu/purl/576rxwdbz4-cor.
APA, 6th edition
An African American woman in a dress carrying a U.S. flag standing underneath a tree next to an elderly woman seated in a chair with a child standing in front of her with a dirt road and house behind them (Box 40). (1888). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/576rxwdbz4-cor.
Chicago
“An African American Woman in a Dress Carrying a U.S. Flag Standing underneath a Tree next to an Elderly Woman Seated in a Chair with a Child Standing in Front of Her with a Dirt Road and House behind Them.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1888. Box 40. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/576rxwdbz4-cor.