MLA
Envelope Containing Letters from J. R. Garber. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 30. https://digital.library.emory.edu/purl/610wpzgnv8-cor.
APA, 6th edition
Envelope containing letters from J. R. Garber (Box 3, Folder 30). [Envelopes]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/610wpzgnv8-cor.
Chicago
“Envelope Containing Letters from J. R. Garber.” Envelopes. Civil War Collection, n.d. Box 3, Folder 30. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/610wpzgnv8-cor.