MLA
Socks Sent to G. Preston by Mary Anna Custis Lee, Wife of Confederate General Robert E. Lee, for His Sons during the War. 1861. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 11, Folder 8. https://digital.library.emory.edu/purl/781jh9w1xt-cor.
APA, 6th edition
Socks sent to G. Preston by Mary Anna Custis Lee, wife of Confederate general Robert E. Lee, for his sons during the war (Box 11, Folder 8). (1861). [Socks]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w1xt-cor.
Chicago
“Socks Sent to G. Preston by Mary Anna Custis Lee, Wife of Confederate General Robert E. Lee, for His Sons during the War.” Socks. Civil War Collection, 1861. Box 11, Folder 8. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w1xt-cor.