MLA

H. D. (Hilda Doolittle), 1886-1961. Fourth draft, typescript. Box 44, folder 1129. n.d.. https://collections.library.yale.edu/catalog/10000462.

APA, 6th edition

H. D. (Hilda Doolittle), 1886-1961. (["Box 44, folder 1129"])(n.d.)[Fourth draft, typescript]. https://collections.library.yale.edu/catalog/10000462.