MLA
Lloyd Marshall in Cleveland, Ohio : a Contender for World's Light-Heavyweight Title. 1948. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/044bnzs7kn-cor.
APA, 6th edition
Lloyd Marshall in Cleveland, Ohio : a contender for world's light-heavyweight title (Box 74). (1948). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/044bnzs7kn-cor.
Chicago
“Lloyd Marshall in Cleveland, Ohio : a Contender for World's Light-Heavyweight Title.” Postcards. Robert Langmuir African American Photograph Collection, 1948. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/044bnzs7kn-cor.