MLA
Standard Photo Service (Philadelphia, Pa.). P.G. Lowery's Band and Minstrels. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1vmg-cor.
APA, 6th edition
Standard Photo Service (Philadelphia, Pa.). (unknown)[P.G. Lowery's Band and Minstrels]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1vmg-cor.
Chicago
Standard Photo Service (Philadelphia, Pa.), P.G. Lowery's Band and Minstrels, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/071ngf1vmg-cor.