MLA
Shaw & Sons (Firm). We are natives : boy wearing wooden barrel holding a straw broom like a banjo standing next to an upright alligator holding sheets of music. March 1892. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/726xwdbs0x-cor.
APA, 6th edition
Shaw & Sons (Firm). (March 1892)[We are natives : boy wearing wooden barrel holding a straw broom like a banjo standing next to an upright alligator holding sheets of music]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/726xwdbs0x-cor.
Chicago
Shaw & Sons (Firm), We are natives : boy wearing wooden barrel holding a straw broom like a banjo standing next to an upright alligator holding sheets of music, March 1892, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/726xwdbs0x-cor.