Untitled holograph notebook
MLA
Whitman, Walt, 1819-1892. Untitled holograph notebook. Box 18, folder 142. n.d.. https://collections.library.yale.edu/catalog/2001535.
APA, 6th edition
Whitman, Walt, 1819-1892. (["Box 18, folder 142"])(n.d.)[Untitled holograph notebook]. https://collections.library.yale.edu/catalog/2001535.