MLA
Walker, M. W. Diary of M. W. Walker That Deals with Various Topics from 1861-1864. It Contains Entries for a Portion of One Year Dealing Mainly with Troop Movements; There Are a Few Miscellaneous Notes. Book Is Largely Illegible. 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 7, Folder 11. https://digital.library.emory.edu/purl/7375tb2sfp-cor.
APA, 6th edition
Walker, M. W. (1861). Diary of M. W. Walker that deals with various topics from 1861-1864. It contains entries for a portion of one year dealing mainly with troop movements; there are a few miscellaneous notes. Book is largely illegible (Box 7, Folder 11) [Diaries]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2sfp-cor.
Chicago
Walker, M. W. “Diary of M. W. Walker That Deals with Various Topics from 1861-1864. It Contains Entries for a Portion of One Year Dealing Mainly with Troop Movements; There Are a Few Miscellaneous Notes. Book Is Largely Illegible.” Diaries. Civil War Collection, 1861. Box 7, Folder 11. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2sfp-cor.