MLA
Baptism of Negroes in a Flooded Street in Ohio. 1913. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/40644j0zrd-cor.
APA, 6th edition
Baptism of negroes in a flooded street in Ohio (Box 73). (1913). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/40644j0zrd-cor.
Chicago
“Baptism of Negroes in a Flooded Street in Ohio.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1913. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/40644j0zrd-cor.