Cite

Preface, holograph manuscript, corrected and signed

MLA

Whitman, Walt, 1819-1892. Preface, holograph manuscript, corrected and signed. Box 3, folder 167. [ca. 1891]. https://collections.library.yale.edu/catalog/2053799.

APA, 6th edition

Whitman, Walt, 1819-1892. (["Box 3, folder 167"])([ca. 1891])[Preface, holograph manuscript, corrected and signed]. https://collections.library.yale.edu/catalog/2053799.