MLA
Chamberlain, J. R. Royal Palm Tree on Miami River, Miami, Fla. 1906. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/078gf1vhnk-cor.
APA, 6th edition
Chamberlain, J. R. (1906). Royal palm tree on Miami River, Miami, Fla. (Box 71) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/078gf1vhnk-cor.
Chicago
Chamberlain, J. R. “Royal Palm Tree on Miami River, Miami, Fla.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1906. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/078gf1vhnk-cor.