MLA
Johnson, Bradley T. (Bradley Tyler), 1829-1903. Letter from Bradley Tyler Johnson (Baltimore, Maryland) to General M. J. Wright[?]. Johnson was a Colonel in the 1st Maryland Infantry Regiment. between 1865 and 1903. Civil War Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tc5x-cor.
APA, 6th edition
Johnson, Bradley T. (Bradley Tyler), 1829-1903. (between 1865 and 1903)[Letter from Bradley Tyler Johnson (Baltimore, Maryland) to General M. J. Wright[?]. Johnson was a Colonel in the 1st Maryland Infantry Regiment]. Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tc5x-cor.
Chicago
Johnson, Bradley T. (Bradley Tyler), 1829-1903, Letter from Bradley Tyler Johnson (Baltimore, Maryland) to General M. J. Wright[?]. Johnson was a Colonel in the 1st Maryland Infantry Regiment, between 1865 and 1903, Civil War Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tc5x-cor.