MLA
African American Man Exiting a River after Being Baptized, Drying His Face with a Towel. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 33. https://digital.library.emory.edu/purl/054kkwh75h-cor.
APA, 6th edition
African American man exiting a river after being baptized, drying his face with a towel (Box 33). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/054kkwh75h-cor.
Chicago
“African American Man Exiting a River after Being Baptized, Drying His Face with a Towel.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 33. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/054kkwh75h-cor.