MLA
Louis Kaufmann & Sons (Baltimore, Md.). Princess Anne Academy, Eastern Branch, Maryland Agricultural College, Princess Anne, Md. : with men and women outside [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8773tx961p-cor.
APA, 6th edition
Louis Kaufmann & Sons (Baltimore, Md.). (unknown)[Princess Anne Academy, Eastern Branch, Maryland Agricultural College, Princess Anne, Md. : with men and women outside [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8773tx961p-cor.
Chicago
Louis Kaufmann & Sons (Baltimore, Md.), Princess Anne Academy, Eastern Branch, Maryland Agricultural College, Princess Anne, Md. : with men and women outside [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8773tx961p-cor.