MLA
Bean Field at Belle Glade, Fla. : World's Largest Vegetable Shipping Center. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 69. https://digital.library.emory.edu/purl/883xsj3v24-cor.
APA, 6th edition
Bean field at Belle Glade, Fla. : World's largest vegetable shipping center (Box 69). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/883xsj3v24-cor.
Chicago
“Bean Field at Belle Glade, Fla. : World's Largest Vegetable Shipping Center.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 69. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/883xsj3v24-cor.