Diary, 1876.
MLA
Sanford, Wilmot P. Diary, 1876. 1876. https://collections.library.yale.edu/catalog/16598948.
APA, 6th edition
Sanford, W. P. (1876). Diary, 1876. [Diaries--United States--19th century.]. https://collections.library.yale.edu/catalog/16598948.