MLA
Lee, Alfred G. Special Order Number 1 from the Office Commissary of Exemption by Alfred G. Lee (Springfield, Missouri). It Gives Instructions to Stagecoach Drivers Not to Convey Any Persons Subject to Military Duty without Written Permission from That Office - March 21, 1864. 1864. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19, Folder 42. https://digital.library.emory.edu/purl/1741rn8qq9-cor.
APA, 6th edition
Lee, A. G. (1864). Special Order Number 1 from the Office Commissary of Exemption by Alfred G. Lee (Springfield, Missouri). It gives instructions to stagecoach drivers not to convey any persons subject to military duty without written permission from that office - March 21, 1864 (Box 19, Folder 42) [Orders (military records)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1741rn8qq9-cor.
Chicago
Lee, Alfred G. “Special Order Number 1 from the Office Commissary of Exemption by Alfred G. Lee (Springfield, Missouri). It Gives Instructions to Stagecoach Drivers Not to Convey Any Persons Subject to Military Duty without Written Permission from That Office - March 21, 1864.” Orders (military records). Civil War Collection, 1864. Box 19, Folder 42. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1741rn8qq9-cor.