MLA
Thompson Photo Co. (Yonkers, N.Y.). New York National Guard, 369th Infantry Regiment, Camp Smith, New York, 1929. 1929. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/542n5tb2t1-cor.
APA, 6th edition
Thompson Photo Co. (Yonkers, N.Y.). (1929)[New York National Guard, 369th Infantry Regiment, Camp Smith, New York, 1929]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/542n5tb2t1-cor.
Chicago
Thompson Photo Co. (Yonkers, N.Y.), New York National Guard, 369th Infantry Regiment, Camp Smith, New York, 1929, 1929, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/542n5tb2t1-cor.