MLA
Photo & Art Postal Card Co. (New York). First building : Virginia State School for Colored, Deaf, Dumb and Blind Children : Newport News, VA. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/651vdncjxw-cor.
APA, 6th edition
Photo & Art Postal Card Co. (New York). (unknown)[First building : Virginia State School for Colored, Deaf, Dumb and Blind Children : Newport News, VA]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/651vdncjxw-cor.
Chicago
Photo & Art Postal Card Co. (New York), First building : Virginia State School for Colored, Deaf, Dumb and Blind Children : Newport News, VA, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/651vdncjxw-cor.