MLA
Scott, James M. General Order No. 7, Office of the Signal Officer, Washington D. C. - May 25, 1863(Photocopy). 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 20, Folder 20. https://digital.library.emory.edu/purl/395w6m91bf-cor.
APA, 6th edition
Scott, J. M. (1863). General Order No. 7, Office of the Signal Officer, Washington D. C. - May 25, 1863(photocopy) (Box 20, Folder 20) [Orders (military records)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m91bf-cor.
Chicago
Scott, James M. “General Order No. 7, Office of the Signal Officer, Washington D. C. - May 25, 1863(Photocopy).” Orders (military records). Civil War Collection, 1863. Box 20, Folder 20. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m91bf-cor.