MLA
Goater [?], John H. Little Bo-Peep and Her Foolish Sheep,The second in a series of caricatures criticizing the secession of several Southern states from the Union during the last months of the Buchanan administration. 1861. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/97634tmqmn-cor.
APA, 6th edition
Goater [?], John H. (1861)[Little Bo-Peep and Her Foolish Sheep,The second in a series of caricatures criticizing the secession of several Southern states from the Union during the last months of the Buchanan administration]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/97634tmqmn-cor.
Chicago
Goater [?], John H, Little Bo-Peep and Her Foolish Sheep,The second in a series of caricatures criticizing the secession of several Southern states from the Union during the last months of the Buchanan administration, 1861, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/97634tmqmn-cor.