MLA
Our Gang : Two Young Boys, One African American. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/235gb5mkpj-cor.
APA, 6th edition
Our gang : two young boys, one African American (Box 74). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/235gb5mkpj-cor.
Chicago
“Our Gang : Two Young Boys, One African American.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/235gb5mkpj-cor.