MLA
J. P. Ball & Son (Helena, Mont.). Group shot of African American men and women and one table. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/389280gb85-cor.
APA, 6th edition
J. P. Ball & Son (Helena, Mont.). (unknown)[Group shot of African American men and women and one table]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/389280gb85-cor.
Chicago
J. P. Ball & Son (Helena, Mont.), Group shot of African American men and women and one table, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/389280gb85-cor.