MLA
Jones, Samuel, 1819-1887. Letter from Samuel Jones (Charleston, South Carolina ) to T. B. Roy (Charleston, South Carolina) regarding the former's operations in the defense of Savannah, Georgia - January 11, 1865. January 11, 1865. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/798mcvdpf6-cor.
APA, 6th edition
Jones, Samuel, 1819-1887. (January 11, 1865)[Letter from Samuel Jones (Charleston, South Carolina ) to T. B. Roy (Charleston, South Carolina) regarding the former's operations in the defense of Savannah, Georgia - January 11, 1865]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/798mcvdpf6-cor.
Chicago
Jones, Samuel, 1819-1887, Letter from Samuel Jones (Charleston, South Carolina ) to T. B. Roy (Charleston, South Carolina) regarding the former's operations in the defense of Savannah, Georgia - January 11, 1865, January 11, 1865, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/798mcvdpf6-cor.