Cite

"Thanks in Old Age," galley proof, inscribed

MLA

Whitman, Walt, 1819-1892. "Thanks in Old Age," galley proof, inscribed. Box 1, folder 48. n.d.. https://collections.library.yale.edu/catalog/2053682.

APA, 6th edition

Whitman, Walt, 1819-1892. (["Box 1, folder 48"])(n.d.)["Thanks in Old Age," galley proof, inscribed]. https://collections.library.yale.edu/catalog/2053682.