MLA
Electric Studio (Newport, R.I.). Aunt Susie in a dress, sitting on a chair, with Jasper Hirks and Louis Phillips standing behind her while wearing suits. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3483j9kd6n-cor.
APA, 6th edition
Electric Studio (Newport, R.I.). (unknown)[Aunt Susie in a dress, sitting on a chair, with Jasper Hirks and Louis Phillips standing behind her while wearing suits]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3483j9kd6n-cor.
Chicago
Electric Studio (Newport, R.I.), Aunt Susie in a dress, sitting on a chair, with Jasper Hirks and Louis Phillips standing behind her while wearing suits, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3483j9kd6n-cor.