MLA
Tichnor Bros., Inc. (Boston, Mass.). The oldest school house, St. George Street, St. Augustine, Florida : the oldest city in the United States. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/556931zcvf-cor.
APA, 6th edition
Tichnor Bros., Inc. (Boston, Mass.). (unknown)[The oldest school house, St. George Street, St. Augustine, Florida : the oldest city in the United States]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/556931zcvf-cor.
Chicago
Tichnor Bros., Inc. (Boston, Mass.), The oldest school house, St. George Street, St. Augustine, Florida : the oldest city in the United States, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/556931zcvf-cor.