Cite

Burroughs, John to "Mr. Pomeroy"

MLA

Whitman, Walt, 1819-1892. Burroughs, John to "Mr. Pomeroy". Box 2, folder 94. 1879 Oct 5. https://collections.library.yale.edu/catalog/2053728.

APA, 6th edition

Whitman, Walt, 1819-1892. (["Box 2, folder 94"])(1879 Oct 5)[Burroughs, John to "Mr. Pomeroy"]. https://collections.library.yale.edu/catalog/2053728.