MLA
New York Postal Card Co. (Chicago, Ill.). Palmer House, Chicago, dining room [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/061djh9w30-cor.
APA, 6th edition
New York Postal Card Co. (Chicago, Ill.). (unknown)[Palmer House, Chicago, dining room [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/061djh9w30-cor.
Chicago
New York Postal Card Co. (Chicago, Ill.), Palmer House, Chicago, dining room [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/061djh9w30-cor.