MLA
Tichnor Bros., Inc. (Boston, Mass.). Queens Staircase, Nassau, Bahamas. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0859cnp5hv-cor.
APA, 6th edition
Tichnor Bros., Inc. (Boston, Mass.). (unknown)[Queens Staircase, Nassau, Bahamas]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0859cnp5hv-cor.
Chicago
Tichnor Bros., Inc. (Boston, Mass.), Queens Staircase, Nassau, Bahamas, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0859cnp5hv-cor.