MLA

Williams, William Carlos, 1883-1963. Drafts, typescript. Box 39, folder 1004. 1954. https://collections.library.yale.edu/catalog/17049576.

APA, 6th edition

Williams, William Carlos, 1883-1963. (["Box 39, folder 1004"])(1954)[Drafts, typescript]. https://collections.library.yale.edu/catalog/17049576.