MLA
Cheatham, Benjamin Franklin, 1820-1886. Note from Benjamin Franklin Cheatham (Camp Brown, Mississippi) to [unaddressed], certifying election of J.H. Miller as major in the Mississippi Battalion Cavalry. July 25, 1861. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/327mpg4g35-cor.
APA, 6th edition
Cheatham, Benjamin Franklin, 1820-1886. (July 25, 1861)[Note from Benjamin Franklin Cheatham (Camp Brown, Mississippi) to [unaddressed], certifying election of J.H. Miller as major in the Mississippi Battalion Cavalry]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/327mpg4g35-cor.
Chicago
Cheatham, Benjamin Franklin, 1820-1886, Note from Benjamin Franklin Cheatham (Camp Brown, Mississippi) to [unaddressed], certifying election of J.H. Miller as major in the Mississippi Battalion Cavalry, July 25, 1861, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/327mpg4g35-cor.