MLA
Divald, Richard. Mocko Jumbi-- the Spirit of Carnival. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 77. https://digital.library.emory.edu/purl/296wwpzgn9-cor.
APA, 6th edition
Divald, R. Mocko Jumbi-- the spirit of carnival (Box 77) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzgn9-cor.
Chicago
Divald, Richard. “Mocko Jumbi-- the Spirit of Carnival.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 77. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzgn9-cor.