MLA
According to an Act of Congress. Exhibitions at $8 per Day. Serrell & Perkins. Stuart A. Rose Manuscript, Archives, and Rare Book Library, OP9, Folder 7. https://digital.library.emory.edu/purl/692t4b8j3b-cor.
APA, 6th edition
According to an Act of Congress. Exhibitions at $8 per day (OP9, Folder 7). [Political cartoons]. Serrell & Perkins; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8j3b-cor.
Chicago
“According to an Act of Congress. Exhibitions at $8 per Day.” Political cartoons. Civil War Collection. New York City, NY: Serrell & Perkins, n.d. OP9, Folder 7. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/692t4b8j3b-cor.