MLA
Invitation to J. S. Thorne[?] for Commencement Week at Washington and Lee University for 1872. 1872. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 10, Folder 4. https://digital.library.emory.edu/purl/7547pvmdxv-cor.
APA, 6th edition
Invitation to J. S. Thorne[?] for Commencement Week at Washington and Lee University for 1872 (Box 10, Folder 4). (1872). [Invitations]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7547pvmdxv-cor.
Chicago
“Invitation to J. S. Thorne[?] for Commencement Week at Washington and Lee University for 1872.” Invitations. Civil War Collection, 1872. Box 10, Folder 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7547pvmdxv-cor.