[Scovel, James Matlock?]
MLA
Whitman, Walt, 1819-1892. [Scovel, James Matlock?]. Box 2, folder 70. 1890 Dec 5. https://collections.library.yale.edu/catalog/2053704.
APA, 6th edition
Whitman, Walt, 1819-1892. (["Box 2, folder 70"])(1890 Dec 5)[[Scovel, James Matlock?]]. https://collections.library.yale.edu/catalog/2053704.