MLA
Rowe, Belle A. Letter from Belle A. Rowe to "Friend Frank" (Rausch Gap, Pennsylvania), a Union Soldier. In the Letter, Mentions a Company from Jonestown of Which, "the Whole Company Run off, They Were Frightened so Much When They Were Drawn up in Line of Battle" - February 18, 1863 (Photocopy). 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19, Folder 12. https://digital.library.emory.edu/purl/774qjq2d0g-cor.
APA, 6th edition
Rowe, B. A. (1863). Letter from Belle A. Rowe to "Friend Frank" (Rausch Gap, Pennsylvania), a Union soldier. In the letter, mentions a company from Jonestown of which, "the whole company run off, they were frightened so much when they were drawn up in line of battle" - February 18, 1863 (photocopy) (Box 19, Folder 12) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/774qjq2d0g-cor.
Chicago
Rowe, Belle A. “Letter from Belle A. Rowe to ‘Friend Frank’ (Rausch Gap, Pennsylvania), a Union Soldier. In the Letter, Mentions a Company from Jonestown of Which, ‘the Whole Company Run off, They Were Frightened so Much When They Were Drawn up in Line of Battle’ - February 18, 1863 (Photocopy).” Letters (correspondence). Civil War Collection, 1863. Box 19, Folder 12. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/774qjq2d0g-cor.