Cite

"Pictures," holograph notebook, corrected

MLA

Whitman, Walt, 1819-1892. "Pictures," holograph notebook, corrected. Box 3, folder 137. [ca. 1850]. https://collections.library.yale.edu/catalog/2007253.

APA, 6th edition

Whitman, Walt, 1819-1892. (["Box 3, folder 137"])([ca. 1850])["Pictures," holograph notebook, corrected]. https://collections.library.yale.edu/catalog/2007253.