MLA
Hopkins' New-Orleans 5 Cent Song-Book. [John Hopkins], 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3418kprvcd-cor.
APA, 6th edition
Hopkins' New-Orleans 5 cent song-book. (1861). [Southern imprint]. [John Hopkins]; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3418kprvcd-cor.
Chicago
“Hopkins' New-Orleans 5 Cent Song-Book.” Southern imprint. Civil War Imprints. [New Orleans]: [John Hopkins], 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3418kprvcd-cor.