MLA
Burroughs, V. G. Poem by V. G. Burroughs, "Songs in the Fight," Composed in Columbia, South Carolina. 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 46. https://digital.library.emory.edu/purl/129p2ngg20-cor.
APA, 6th edition
Burroughs, V. G. (1863). Poem by V. G. Burroughs, "Songs in the Fight," composed in Columbia, South Carolina (Box 1, Folder 46) [Poems]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/129p2ngg20-cor.
Chicago
Burroughs, V. G. “Poem by V. G. Burroughs, ‘Songs in the Fight," Composed in Columbia, South Carolina.” Poems. Civil War Collection, 1863. Box 1, Folder 46. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/129p2ngg20-cor.