["Walt Whitman, from Holland..."], holograph manuscript, corrected
MLA
Whitman, Walt, 1819-1892. ["Walt Whitman, from Holland..."], holograph manuscript, corrected. Box 3, folder 126. 1890 May. https://collections.library.yale.edu/catalog/2053760.
APA, 6th edition
Whitman, Walt, 1819-1892. (["Box 3, folder 126"])(1890 May)[["Walt Whitman, from Holland..."], holograph manuscript, corrected]. https://collections.library.yale.edu/catalog/2053760.