MLA
American Photograph Co. (Columbus, Ohio). Ohio Conference on Social Work among Negroes, Columbus, Ohio, May 22-24, 1925. May 1925. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0000000015-cor.
APA, 6th edition
American Photograph Co. (Columbus, Ohio). (May 1925)[Ohio Conference on Social Work among Negroes, Columbus, Ohio, May 22-24, 1925]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0000000015-cor.
Chicago
American Photograph Co. (Columbus, Ohio), Ohio Conference on Social Work among Negroes, Columbus, Ohio, May 22-24, 1925, May 1925, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0000000015-cor.