Typhoon, leaf, autograph manuscript
MLA
Conrad, Joseph, 1857-1924. Typhoon, leaf, autograph manuscript. Box 28. undated. https://collections.library.yale.edu/catalog/2044316.
APA, 6th edition
Conrad, Joseph, 1857-1924. (["Box 28"])(undated)[Typhoon, leaf, autograph manuscript]. https://collections.library.yale.edu/catalog/2044316.