Cite

Printed ephemera

MLA

Whitman, Walt, 1819-1892. Printed ephemera. Box 11, folder 242. 1886, n.d.. https://collections.library.yale.edu/catalog/2053865.

APA, 6th edition

Whitman, Walt, 1819-1892. (["Box 11, folder 242"])(1886, n.d.)[Printed ephemera]. https://collections.library.yale.edu/catalog/2053865.