MLA
Leon, L. (Louis). Diary of a Tar Heel Confederate soldier. XXXX. Regimental Histories. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4472v6x1b0-cor.
APA, 6th edition
Leon, L. (Louis). (XXXX)[Diary of a Tar Heel Confederate soldier]. Regimental Histories, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4472v6x1b0-cor.
Chicago
Leon, L. (Louis), Diary of a Tar Heel Confederate soldier, XXXX, Regimental Histories, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4472v6x1b0-cor.