Cancelled check
MLA
Whitman, Walt, 1819-1892. Cancelled check. Box 4, folder 196. 1877 May 16. https://collections.library.yale.edu/catalog/2053825.
APA, 6th edition
Whitman, Walt, 1819-1892. (["Box 4, folder 196"])(1877 May 16)[Cancelled check]. https://collections.library.yale.edu/catalog/2053825.