MLA

H. D. (Hilda Doolittle), 1886-1961. Deleted sections, second draft. Box 31, folder 822. n.d.. https://collections.library.yale.edu/catalog/17064210.

APA, 6th edition

H. D. (Hilda Doolittle), 1886-1961. (["Box 31, folder 822"])(n.d.)[Deleted sections, second draft]. https://collections.library.yale.edu/catalog/17064210.