MLA
Havens, O. Pierre, 1838-1912. You're not in it : African American boy at the beach seated in a small round boat with a sail. 1880s to 1910s. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/317crjdftc-cor.
APA, 6th edition
Havens, O. Pierre, 1838-1912. (1880s to 1910s)[You're not in it : African American boy at the beach seated in a small round boat with a sail]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/317crjdftc-cor.
Chicago
Havens, O. Pierre, 1838-1912, You're not in it : African American boy at the beach seated in a small round boat with a sail, 1880s to 1910s, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/317crjdftc-cor.