MLA
Gardner, H. F. State Senator Leroy R. Johnson. 1963. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/395w6m907p-cor.
APA, 6th edition
Gardner, H. F. (1963). State Senator Leroy R. Johnson (Box 71) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m907p-cor.
Chicago
Gardner, H. F. “State Senator Leroy R. Johnson.” Postcards. Robert Langmuir African American Photograph Collection, 1963. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m907p-cor.