Cite

C. P. Williams engraving

MLA

Whitman, Walt, 1819-1892. C. P. Williams engraving. Box 11, folder 238. n.d.. https://collections.library.yale.edu/catalog/2053861.

APA, 6th edition

Whitman, Walt, 1819-1892. (["Box 11, folder 238"])(n.d.)[C. P. Williams engraving]. https://collections.library.yale.edu/catalog/2053861.