Eldridge, Charles W.
MLA
Whitman, Walt, 1819-1892. Eldridge, Charles W.. Box 2, folder 81. 1883 Sep 22. https://collections.library.yale.edu/catalog/2053715.
APA, 6th edition
Whitman, Walt, 1819-1892. (["Box 2, folder 81"])(1883 Sep 22)[Eldridge, Charles W.]. https://collections.library.yale.edu/catalog/2053715.