MLA
An African American Woman Wearing a Dress, Coat and Glasses, Carrying Flowers, with a Man in a Suit, Overcoat and Lodge Hat and an African American Man Walking down the Aisle of a Train Compartment. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 40. https://digital.library.emory.edu/purl/0171vhhmmt-cor.
APA, 6th edition
An African American woman wearing a dress, coat and glasses, carrying flowers, with a man in a suit, overcoat and lodge hat and an African American man walking down the aisle of a train compartment (Box 40). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhmmt-cor.
Chicago
“An African American Woman Wearing a Dress, Coat and Glasses, Carrying Flowers, with a Man in a Suit, Overcoat and Lodge Hat and an African American Man Walking down the Aisle of a Train Compartment.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 40. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhmmt-cor.