MLA
Aunt Mandy Is the Cane Field Comedian, Louisiana : [Three African Americans Sitting in a Sugar Cane Field and Laughing]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/559q2bvqcm-cor.
APA, 6th edition
Aunt Mandy is the cane field comedian, Louisiana : [three African Americans sitting in a sugar cane field and laughing] (Box 68). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/559q2bvqcm-cor.
Chicago
“Aunt Mandy Is the Cane Field Comedian, Louisiana : [Three African Americans Sitting in a Sugar Cane Field and Laughing].” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/559q2bvqcm-cor.