MLA

Williams, William Carlos, 1883-1963. Transcript excerpts of conversations with William Carlos Williams and John Thirlwall, typescript draft. Box 79, folder 1603. 1953-1961. https://collections.library.yale.edu/catalog/17049615.

APA, 6th edition

Williams, William Carlos, 1883-1963. (["Box 79, folder 1603"])(1953-1961)[Transcript excerpts of conversations with William Carlos Williams and John Thirlwall, typescript draft]. https://collections.library.yale.edu/catalog/17049615.