MLA
Emmett, Daniel Decatur, 1815-1904. Letter to the editor from the N. Y. Clipper by Daniel Decatur Emmett regarding his claimed authorship and history of the song “I Wish I was in Dixie’s Land”, afterwords known as “Dixie” (photocopy). 1872. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/706g1jwtj0-cor.
APA, 6th edition
Emmett, Daniel Decatur, 1815-1904. (1872)[Letter to the editor from the N. Y. Clipper by Daniel Decatur Emmett regarding his claimed authorship and history of the song “I Wish I was in Dixie’s Land”, afterwords known as “Dixie” (photocopy)]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/706g1jwtj0-cor.
Chicago
Emmett, Daniel Decatur, 1815-1904, Letter to the editor from the N. Y. Clipper by Daniel Decatur Emmett regarding his claimed authorship and history of the song “I Wish I was in Dixie’s Land”, afterwords known as “Dixie” (photocopy), 1872, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/706g1jwtj0-cor.