MLA
Stratton, H. H. Sugar Cane Field, Cuba. 1913. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 76. https://digital.library.emory.edu/purl/747dr7sqw5-cor.
APA, 6th edition
Stratton, H. H. (1913). Sugar cane field, Cuba (Box 76) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/747dr7sqw5-cor.
Chicago
Stratton, H. H. “Sugar Cane Field, Cuba.” Postcards. Robert Langmuir African American Photograph Collection, 1913. Box 76. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/747dr7sqw5-cor.