MLA
We's Jes Workin' De Grove, Sanford, Fla. : Two African American Boys Working in an Orange Grove. 1909. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/81937pvmhd-cor.
APA, 6th edition
We's jes workin' de grove, Sanford, Fla. : Two African American boys working in an orange grove (Box 70). (1909). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmhd-cor.
Chicago
“We's Jes Workin' De Grove, Sanford, Fla. : Two African American Boys Working in an Orange Grove.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1909. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmhd-cor.