Cite

Heart of Darkness, autograph manuscript, corrected

MLA

Conrad, Joseph, 1857-1924. Heart of Darkness, autograph manuscript, corrected. Box 25. undated. https://collections.library.yale.edu/catalog/2014001.

APA, 6th edition

Conrad, Joseph, 1857-1924. (["Box 25"])(undated)[Heart of Darkness, autograph manuscript, corrected]. https://collections.library.yale.edu/catalog/2014001.