MLA
Art Shop (Saint Thomas, United States Virgin Islands). Streets of steps, St. Thomas, Virgin Islands : a little boy standing on steps. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvmz-cor.
APA, 6th edition
Art Shop (Saint Thomas, United States Virgin Islands). (unknown)[Streets of steps, St. Thomas, Virgin Islands : a little boy standing on steps]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvmz-cor.
Chicago
Art Shop (Saint Thomas, United States Virgin Islands), Streets of steps, St. Thomas, Virgin Islands : a little boy standing on steps, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvmz-cor.