Cite

Whitman, Walt, Sketch of an Essay on, with notes, holograph manuscript

MLA

Wharton, Edith, 1862-1937. Whitman, Walt, Sketch of an Essay on, with notes, holograph manuscript. Box 19, folder 615. n.d.. https://collections.library.yale.edu/catalog/17111131.

APA, 6th edition

Wharton, Edith, 1862-1937. (["Box 19, folder 615"])(n.d.)[Whitman, Walt, Sketch of an Essay on, with notes, holograph manuscript]. https://collections.library.yale.edu/catalog/17111131.