MLA
Rahola Photo Supply (San Juan, P.R.). Colorful market-place scene in beautiful St. Thomas, Virgin Islands, U.S.A.. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7tk-cor.
APA, 6th edition
Rahola Photo Supply (San Juan, P.R.). (unknown)[Colorful market-place scene in beautiful St. Thomas, Virgin Islands, U.S.A.]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7tk-cor.
Chicago
Rahola Photo Supply (San Juan, P.R.), Colorful market-place scene in beautiful St. Thomas, Virgin Islands, U.S.A., unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/6386hdr7tk-cor.